Words With "IO"

Q: How many English words contain "io"?

Our dictionary contains 3,288 common English words with IO somewhere in them. The exact total in all of English is somewhat higher; rarer technical terms aren't in this list.

Q: What are some examples of words with "io"?

Common examples: abbreviation, abbreviations, abdication, abdications, abduction, abductions.

3,288 English words that contain the letters IO anywhere in the word.

Looking for words that contain IO? You're in the right place. Below is a complete list of 3,288 English words with IO somewhere inside them, grouped by length.

The vowel pair IO is one of dozens of vowel teams in English. Vowel teams often spell long-vowel sounds that single letters can't.

Click any word to look up its synonyms, definition, and example sentences. To filter further (by length, syllables, or starting/ending letters), try the Word Finder with the same search pre-filled.

5-Letter Words (9)

anion audio axiom curio diode fiord folio idiom idiot

6-Letter Words (20)

action adagio anions audios axioms barrio bionic biopsy bunion cardio cation curios diodes dioxin fiords folios fusion idiocy idioms idiots

9-Letter Words (174)

abduction ablutions abolition abortions abrasions accession accordion accretion addiction additions admission adoptions adoration adulation affection agitation allusions ambitions ambitious animation anxiously aphelions apportion arpeggios ascension aspersion assertion atrocious attention attrition auctioned audacious auditions aversions avocation axiomatic battalion bazillion billionth biography biologist biopsying biorhythm biosphere bisection bumptious calliopes capacious captioned carnation causation cautioned centurion cessation champions citations clarioned coalition cognition collation collision collusion commotion communion companion condition confusion conscious contagion contusion copiously corrosion cotillion creations cremation criterion curiosity curiously cushioned damnation dandelion deception decisions deduction defection deflation dejection deletions delicious delirious delusions demotions depiction depletion desertion detection detention deviation deviously devotions dictation diffusion digestion dimension diocesans direction diversion divisions dominions donations dubiously education effusions egregious ejections elections elevation elocution emanation emissions emotional emulation emulsions enviously envisions equations erections erudition eruptions espionage evictions evocation evolution exception excisions exclusion excretion excursion execution exemption exertions expansion expiation explosion expulsion extension exteriors extortion extrusion facetious factional fashioned felonious ferocious fictional fixations flotation formation fractions fractious functions furiously ganglions gazillion gestation gladiolas gladiolus gradation grandiose gyrations hilarious idiomatic ignitions illusions

10-Letter Words (258)

abdication abductions aberration abjuration abnegation abrogation absolution absorption abstemious abstention accessions accordions accretions accusation actionable activation adaptation addictions additional adjuration admiration admissions admonition affections affliction aficionado aggression agitations alienation allegation allocation alteration ameliorate ammunition amphibious amputation angiosperm animations annexation annotation antibiotic apparition apportions apposition ascensions ascription aspersions aspiration assertions assumption attentions attraction auctioneer auctioning audiophile auditioned auspicious automation avaricious avocations battalions bazillions behavioral billionths biochemist biographer biological biologists biomedical biophysics biorhythms biospheres bisections capricious captioning cardiogram cardiology carnations castration cautionary cautioning cautiously censorious centurions cessations championed charioteer clarioning coalitions cogitation collations collection collisions coloration combustion commission commodious commotions communions compaction companions compassion compatriot completion complexion compulsion conception concession conclusion concoction concussion conditions conduction confection confession confusions congestion connection contagions contagious contention contortion contrition contusions convection convention conversion conviction convulsion copulation coronation correction corruption cotillions cremations criterions curvacious cushioning dandelions deceptions decimation declension decoration decryption dedication deductions defamation defecation defections definition deflection delegation demolition denotation depictions deposition depression deputation derivation derogation desertions desolation detentions detonation detraction deviations devolution devotional dictations dictionary digestions digression dimensions diminution directions discretion discussion dispersion disruption dissection

11-Letter Words (304)

abdications aberrations abjurations abomination abortionist abrogations abstentions abstraction accessioned acclamation acclimation accusations acquisition acrimonious adaptations adjurations admonitions adumbration affectation affiliation affirmation afflictions aficionados aggravation aggregation allegations alleviation allocations alterations altercation alternation ambitiously ameliorated ameliorates amputations angioplasty angiosperms annexations annotations antibiotics apparitions appellation application apportioned approbation arbitration archdiocese aspirations assignation association assumptions atrociously attenuation attestation attractions attribution auctioneers audaciously audiophiles audiovisual auditioning benediction benefaction bibliophile bifurcation billionaire biochemical biochemists biofeedback biographers biographies calculation calibration cancelation capaciously captivation carbonation cardiograms castigation castrations celebration ceremonious championing charioteers circulation coagulation coeducation collections collocation combination commissions commutation compatriots competition compilation complexions composition compression compulsions compunction computation conceptions concessions conclusions concoctions concussions conditional conditioned conditioner confections confessions conjugation conjunction connections connotation consciously consolation consumption contentions contentious contortions contraction contraption conurbation conventions conversions convictions convocation convolution convulsions cooperation coronations corporation corrections correlation corrugation corruptions creationism crucifixion culmination cultivation curiosities debarkation declamation declaration declensions declination decorations dedications definitions deflections defoliation deformation degradation dehydration deification delectation delegations deleterious deliciously delineation deliriously demarcation demolitions denigration denotations deportation depositions deprecation depredation depressions deprivation deputations dereliction derivations description desecration desiccation designation desperation

12-Letter Words (247)

abbreviation abolitionist abominations abortionists abstractions acceleration accentuation accessioning accumulation acquisitions additionally adjudication adulteration adventitious affectations affectionate affiliations affirmations aggravations aggregations alliteration altercations alternations amalgamation ameliorating amelioration amortization annihilation antiabortion anticipation appellations applications apportioning appreciation apprehension approbations archdioceses articulation asphyxiation assignations assimilation associations attestations attributions augmentation auspiciously avariciously bacteriology benedictions benefactions bibliography bibliophiles bifurcations billionaires biochemicals biochemistry biodiversity biographical biologically biophysicist calculations calibrations cancellation canonization capitulation capriciously cardiologist cautiousness celebrations censoriously championship chlorination circulations circumcision civilization codification cohabitation collocations colonization combinations commendation commissioned commissioner commutations companionway compensation competitions compilations complexioned complication compositions compunctions computations conciliation condemnation condensation conditionals conditioners conditioning confectioner confessional confirmation confiscation conformation congregation conjugations conjunctions connotations conscription consecration conservation consolations constipation constitution constriction construction consultation consummation continuation contractions contraptions contribution contumacious conurbations conventional conversation convocations convolutions coordination corporations correctional correlations corrugations creationisms crucifixions culminations debilitation decapitation deceleration declamations declarations decommission deformations degeneration deliberation delineations denomination denunciation depopulation deportations depreciation depredations deprivations deregulation desalination descriptions designations destinations deteriorated deteriorates devaluations dictionaries digitization dilapidation disaffection disillusions dislocations dispensation dispositions disputations disputatious disquisition dissertation dissociation distillation distinctions distractions distribution diversionary dysfunctions

13-Letter Words (200)

abbreviations abolitionists accelerations accommodation accreditation acculturation accumulations actualization afforestation agglomeration agglutination alliterations amalgamations ambitiousness amniocenteses amniocentesis amortizations amplification angioplasties anticipations apportionment appreciations apprehensions appropriation approximation argumentation articulations asphyxiations assassination atrociousness audaciousness augmentations authorization autobiography axiomatically beatification bibliographer bibliographic bidirectional biodegradable biophysicists biotechnology cancellations canonizations capaciousness capitulations cardiologists ceremoniously certification championships circumcisions circumvention civilizations clarification codifications coeducational collaboration commemoration commendations commiseration commissioners commissioning communication companionable companionship companionways compassionate compensations complications comprehension computational concatenation concentration condemnations condensations condescension conditionally confectioners confectionery confederation confessionals configuration confirmations confiscations conflagration conformations confrontation congregations congressional conscientious consciousness consecrations consideration consolidation constellation consternation constitutions constrictions constructions consultations consummations contamination contemplation contentiously continuations contortionist contraception contradiction contravention contributions conversations corroboration counteraction customization decapitations decommissions decomposition decompression deforestation deliberations deliciousness demonstration denominations denunciations desegregation deteriorating deterioration determination dimensionless discoloration disconnection discretionary disharmonious disillusioned dispassionate dispensations dispossession disproportion disquisitions dissemination dissertations dissimulation distillations distributions documentation domestication dramatization dysfunctional educationally efficaciously electioneered electrocution elocutionists encapsulation encrustations equivocations exaggerations exceptionable exceptionally exhibitionism exhibitionist expansionists expectoration expeditionary expeditiously expostulation expressionism expressionist expropriation extermination extortionists extrapolation facetiousness factorization falsification ferociousness fertilization fictionalized fictionalizes flirtatiously

14-Letter Words (107)

accommodations administration affectionately aforementioned agglomerations agglutinations amplifications anesthesiology appropriations approximations assassinations auspiciousness authentication authorizations bacteriologist beatifications beautification bibliographers bibliographies capitalization capriciousness cardiovascular categorization centralization certifications circumlocution circumspection clarifications classification collaborations commemorations commiserations communications comprehensions concatenations concentrations concessionaire confederations configurations conflagrations confrontations conglomeration congratulation congregational considerations consolidations constellations constitutional contortionists contradictions contraventions conventionally conversational corroborations counteractions decolonization decommissioned deconstruction defenestration dehumanization demobilization demonstrations demoralization denominational determinations detoxification disambiguation disapprobation discolorations disconnections discrimination disembarkation disillusioning disinclination disinformation disintegration disorientation disproportions documentations dramatizations electioneering electrocutions emulsification encapsulations exhibitionists exponentiation expostulations expressionists expressionless expropriations exterminations extrapolations falsifications fastidiousness fictionalizing fortifications fraternization generalization gentrification gesticulations gratifications gregariousness hallucinations harmoniousness homogenization identification idiosyncrasies

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Common Questions

How many English words contain "io"?

Our dictionary contains 3,288 common English words with IO somewhere in them. The exact total in all of English is somewhat higher; rarer technical terms aren't in this list.

What are some examples of words with "io"?

Common examples: abbreviation, abbreviations, abdication, abdications, abduction, abductions.

Is "io" a digraph?

A digraph is two letters that spell a single sound. IO may or may not be a true digraph in English — it depends on whether the two letters fuse into one sound. The vowel pair IO is one of dozens of vowel teams in English. Vowel teams often spell long-vowel sounds that single letters can't.