8 Letter Words Containing IO
There are 519 8-letter English words that contain IO, from ABLATION to ZONATION. Top Scrabble® scorers on this list: AMPHIOXI (22), IODIZING (19), ZABAIONE (19). Average word length in this list is 8 letters.
Word list
A
- ABLATION10 pts
- ABLUTION10 pts
- ABORTION10 pts
- ABRASION10 pts
- ACHIOTES13 pts
- ACROMION12 pts
- ADAPTION11 pts
- ADDITION10 pts
- ADHESION12 pts
- ADNATION9 pts
- ADOPTION11 pts
- AERATION8 pts
- AFFUSION14 pts
- AGIOTAGE10 pts
- AGNATION9 pts
- ALATIONS8 pts
- ALLUSION8 pts
- ALLUVION11 pts
- AMBITION12 pts
- AMNIONIC12 pts
- AMNIOTES10 pts
- AMNIOTIC12 pts
- AMOTIONS10 pts
- AMPHIOXI22 pts
- ANGIOMAS11 pts
- ANTERIOR8 pts
- ANTIRIOT8 pts
- ANTLIONS8 pts
- APHELION13 pts
- APIOLOGY14 pts
- ARPEGGIO12 pts
- AUCTIONS10 pts
- AUDITION9 pts
- AVERSION11 pts
- AVIATION11 pts
- AVIONICS13 pts
- AVULSION11 pts
- AXIOLOGY19 pts
B
- BASTIONS10 pts
- BEHAVIOR16 pts
- BILLIONS10 pts
- BIOASSAY13 pts
- BIOCHIPS17 pts
- BIOCIDAL13 pts
- BIOCIDES13 pts
- BIOCLEAN12 pts
- BIOCYCLE17 pts
- BIOETHIC15 pts
- BIOGASES11 pts
- BIOGENIC13 pts
- BIOHERMS15 pts
- BIOLOGIC13 pts
- BIOLYSES13 pts
- BIOLYSIS13 pts
- BIOLYTIC15 pts
- BIOMETRY15 pts
- BIONOMIC14 pts
- BIOPLASM14 pts
- BIOPSIED13 pts
- BIOPSIES12 pts
- BIOSCOPE14 pts
- BIOSCOPY17 pts
- BIOTECHS15 pts
- BIOTICAL12 pts
- BIOTITES10 pts
- BIOTITIC12 pts
- BIOTOPES12 pts
- BIOTOXIN17 pts
- BIOTRONS10 pts
- BIOTYPES15 pts
- BIOTYPIC17 pts
- BIOVULAR13 pts
- BOCACCIO16 pts
- BRACIOLA12 pts
- BRACIOLE12 pts
- BRIOCHES15 pts
- BRIONIES10 pts
- BULLIONS10 pts
C
- CABRIOLE12 pts
- CALLIOPE12 pts
- CAMPIONS14 pts
- CAPRIOLE12 pts
- CAPTIONS12 pts
- CAPTIOUS12 pts
- CARDIOID12 pts
- CARIOCAS12 pts
- CARIOLES10 pts
- CARRIOLE10 pts
- CARRIONS10 pts
- CATIONIC12 pts
- CAUTIONS10 pts
- CAUTIOUS10 pts
- CESSIONS10 pts
- CHAMPION17 pts
- CHARIOTS13 pts
- CHEERIOS13 pts
- CHEVIOTS16 pts
- CHORIOID14 pts
- CHORIONS13 pts
- CIOPPINO14 pts
- CITATION10 pts
- CLARIONS10 pts
- COACTION12 pts
- COERCION12 pts
- COHESION13 pts
- COITIONS10 pts
- CONATION10 pts
- CONIOSES10 pts
- CONIOSIS10 pts
- COOPTION12 pts
- CREATION10 pts
- CRIOLLOS10 pts
- CULLIONS10 pts
- CURCULIO12 pts
- CUSHIONS13 pts
- CUSHIONY16 pts
D
- DARIOLES9 pts
- DECISION11 pts
- DECURION11 pts
- DEIONIZE18 pts
- DELATION9 pts
- DELETION9 pts
- DELUSION9 pts
- DEMOTION11 pts
- DERISION9 pts
- DEVOTION12 pts
- DICTIONS11 pts
- DIECIOUS11 pts
- DILATION9 pts
- DILUTION9 pts
- DILUVION12 pts
- DIOBOLON11 pts
- DIOCESAN11 pts
- DIOCESES11 pts
- DIOECIES11 pts
- DIOECISM13 pts
- DIOICOUS11 pts
- DIOLEFIN12 pts
- DIOPSIDE12 pts
- DIOPTASE11 pts
- DIOPTERS11 pts
- DIOPTRAL11 pts
- DIOPTRES11 pts
- DIOPTRIC13 pts
- DIORAMAS11 pts
- DIORAMIC13 pts
- DIORITES9 pts
- DIORITIC11 pts
- DIOXANES16 pts
- DIOXIDES17 pts
- DISUNION9 pts
- DIVISION12 pts
- DOMINION11 pts
- DONATION9 pts
- DOTATION9 pts
- DOUPIONI11 pts
- DURATION9 pts
E
- ECLOSION10 pts
- EDACIOUS11 pts
- EDITIONS9 pts
- EDUCTION11 pts
- EFFUSION14 pts
- EGESTION9 pts
- EJECTION17 pts
- ELATIONS8 pts
- ELECTION10 pts
- ELISIONS8 pts
- ELUSIONS8 pts
- ELUTIONS8 pts
- EMERSION10 pts
- EMISSION10 pts
- EMOTIONS10 pts
- EMULSION10 pts
- ENATIONS8 pts
- ENVISION11 pts
- EOBIONTS10 pts
- EQUATION17 pts
- ERASIONS8 pts
- ERECTION10 pts
- EROSIONS8 pts
- ERUPTION10 pts
- ESTRIOLS8 pts
- ETIOLATE8 pts
- ETIOLOGY12 pts
- EVASIONS11 pts
- EVECTION13 pts
- EVERSION11 pts
- EVICTION13 pts
- EVULSION11 pts
- EXACTION17 pts
- EXCISION17 pts
- EXERTION15 pts
- EXIMIOUS17 pts
- EXTERIOR15 pts
F
G
H
I
- IDEATION9 pts
- IDIOCIES11 pts
- IDIOLECT11 pts
- IDIOTISM11 pts
- IGNITION9 pts
- ILLATION8 pts
- ILLUSION8 pts
- INACTION10 pts
- INCISION10 pts
- INFERIOR11 pts
- INFIXION18 pts
- INFUSION11 pts
- INHESION11 pts
- INTAGLIO9 pts
- INTERIOR8 pts
- INVASION11 pts
- IODATING10 pts
- IODATION9 pts
- IODINATE9 pts
- IODISING10 pts
- IODIZERS18 pts
- IODIZING19 pts
- IODOFORM14 pts
- IODOPHOR14 pts
- IODOPSIN11 pts
- IONICITY13 pts
- IONISING9 pts
- IONIZERS17 pts
- IONIZING18 pts
- IONOGENS9 pts
- IONOMERS10 pts
- IOTACISM12 pts
J
L
- LAMPIONS12 pts
- LAVATION11 pts
- LAXATION15 pts
- LECTIONS10 pts
- LEGATION9 pts
- LENITION8 pts
- LESIONED9 pts
- LIBATION10 pts
- LIBECCIO14 pts
- LIGATION9 pts
- LIONFISH14 pts
- LIONISED9 pts
- LIONISER8 pts
- LIONISES8 pts
- LIONIZED18 pts
- LIONIZER17 pts
- LIONIZES17 pts
- LIONLIKE12 pts
- LOBATION10 pts
- LOCATION10 pts
- LOCUTION10 pts
- LOTHARIO11 pts
- LUNATION8 pts
- LUSCIOUS10 pts
- LUXATION15 pts
M
- MAIOLICA12 pts
- MANDIOCA13 pts
- MANIOCAS12 pts
- MANSIONS10 pts
- MEDIOCRE13 pts
- MENTIONS10 pts
- MILLIOHM15 pts
- MILLIONS10 pts
- MISSIONS10 pts
- MISUNION10 pts
- MODIOLUS11 pts
- MONITION10 pts
- MORRIONS10 pts
- MOTIONAL10 pts
- MOTIONED11 pts
- MOTIONER10 pts
- MOVIOLAS13 pts
- MULLIONS10 pts
- MUNITION10 pts
- MUNNIONS10 pts
- MUTATION10 pts
- MYRIOPOD16 pts
N
O
P
- PACTIONS12 pts
- PASSIONS10 pts
- PATRIOTS10 pts
- PAVILION13 pts
- PAVIOURS13 pts
- PENSIONE10 pts
- PENSIONS10 pts
- PERIODIC13 pts
- PERIODID12 pts
- PERIOTIC12 pts
- PERVIOUS13 pts
- PETIOLAR10 pts
- PETIOLED11 pts
- PETIOLES10 pts
- PETITION10 pts
- PILLIONS10 pts
- PINIONED11 pts
- PIONEERS10 pts
- PLIOTRON10 pts
- PLOSIONS10 pts
- PLUVIOSE13 pts
- PLUVIOUS13 pts
- PORTIONS10 pts
- POSITION10 pts
- POSTRIOT10 pts
- POTATION10 pts
- PRECIOUS12 pts
- PRESIDIO11 pts
- PREUNION10 pts
- PREVIOUS13 pts
- PRIORATE10 pts
- PRIORESS10 pts
- PRIORIES10 pts
- PRIORITY13 pts
- PROUNION10 pts
- PULSIONS10 pts
- PUNITION10 pts
- PUPATION12 pts
Q
R
S
- SANCTION10 pts
- SAVIOURS11 pts
- SCABIOSA12 pts
- SCABIOUS12 pts
- SCALLION10 pts
- SCANSION10 pts
- SCARIOSE10 pts
- SCARIOUS10 pts
- SCENARIO10 pts
- SCIOLISM12 pts
- SCIOLIST10 pts
- SCISSION10 pts
- SCOLIOMA12 pts
- SCORPION12 pts
- SCULLION10 pts
- SECTIONS10 pts
- SEDATION9 pts
- SEDITION9 pts
- SEIGNIOR9 pts
- SEMIOSES10 pts
- SEMIOSIS10 pts
- SEMIOTIC12 pts
- SENECIOS10 pts
- SERAGLIO9 pts
- SESSIONS8 pts
- SIGNIORI9 pts
- SIGNIORS9 pts
- SIGNIORY12 pts
- SKIORING13 pts
- SOLATION8 pts
- SOLUTION8 pts
- SORPTION10 pts
- SPACIOUS12 pts
- SPECIOUS12 pts
- SPONSION10 pts
- SPURIOUS10 pts
- STALLION8 pts
- STATIONS8 pts
- STICTION10 pts
- STUDIOUS9 pts
- SUASIONS8 pts
- SUCTIONS10 pts
- SUDATION9 pts
- SUPERIOR10 pts
- SYMBIONS15 pts
- SYMBIONT15 pts
- SYMBIOTE15 pts
- SYMBIOTS15 pts
T
- TACTIONS10 pts
- TAMPIONS12 pts
- TAPIOCAS12 pts
- TAXATION15 pts
- TENSIONS8 pts
- TERNIONS8 pts
- THERMION13 pts
- THIONATE11 pts
- THIONINE11 pts
- THIONINS11 pts
- THIONYLS14 pts
- THIOPHEN16 pts
- THIOTEPA13 pts
- THIOUREA11 pts
- TOMPIONS12 pts
- TORSIONS8 pts
- TORTIOUS8 pts
- TRACTION10 pts
- TRILLION8 pts
- TRIOLETS8 pts
- TRIOXIDE16 pts
- TRIOXIDS16 pts
- TRUNNION8 pts
- TUITIONS8 pts
U
V
- VACATION13 pts
- VARIOLAR11 pts
- VARIOLAS11 pts
- VARIOLES11 pts
- VARIORUM13 pts
- VENATION11 pts
- VERSIONS11 pts
- VEXATION18 pts
- VIBRIOID14 pts
- VIBRIONS13 pts
- VIOLABLE13 pts
- VIOLABLY16 pts
- VIOLATED12 pts
- VIOLATER11 pts
- VIOLATES11 pts
- VIOLATOR11 pts
- VIOLENCE13 pts
- VIOLISTS11 pts
- VIOLONES11 pts
- VIOMYCIN18 pts
- VISIONAL11 pts
- VISIONED12 pts
- VITRIOLS11 pts
- VOCATION13 pts
- VOLITION11 pts
- VOLUTION11 pts
W
Z
Point values shown are Scrabble® (letters only, before board bonuses). Browse deeper via the word-lists hub.
Top 10 highest-scoring words
Scored on letters only (no board bonuses). WWF uses different tile values from Scrabble — J, Q and Z are worth 10 points in WWF; X is worth 8.
| # | Word | Scrabble | WWF |
|---|---|---|---|
| 1 | amphioxi | 22 | 23 |
| 2 | iodizing | 19 | 21 |
| 3 | zabaione | 19 | 21 |
| 4 | axiology | 19 | 20 |
| 5 | fluxions | 18 | 21 |
| 6 | ionizing | 18 | 21 |
| 7 | viomycin | 18 | 21 |
| 8 | flexions | 18 | 20 |
| 9 | infixion | 18 | 20 |
| 10 | lionized | 18 | 20 |
FAQs
How many 8-letter words contain IO?
519 valid 8-letter English words contain the letters IO in the ENABLE English word list.
Are these valid in Wordle and Scrabble?
Words on this page come from the ENABLE English word list. UK Scrabble (Collins Scrabble Words) accepts the overwhelming majority; a handful may not be legal in the North American NASPA Word List (NWL2023).