8 Letter Words Containing IO
There are 519 8-letter English words that contain IO. The highest scorer in Scrabble® is AMPHIOXI at 22 points.
Word list
A
- ablation10
- ablution10
- abortion10
- abrasion10
- achiotes13
- acromion12
- adaption11
- addition10
- adhesion12
- adnation9
- adoption11
- aeration8
- affusion14
- agiotage10
- agnation9
- alations8
- allusion8
- alluvion11
- ambition12
- amnionic12
- amniotes10
- amniotic12
- amotions10
- amphioxi22
- angiomas11
- anterior8
- antiriot8
- antlions8
- aphelion13
- apiology14
- arpeggio12
- auctions10
- audition9
- aversion11
- aviation11
- avionics13
- avulsion11
- axiology19
B
- bastions10
- behavior16
- billions10
- bioassay13
- biochips17
- biocidal13
- biocides13
- bioclean12
- biocycle17
- bioethic15
- biogases11
- biogenic13
- bioherms15
- biologic13
- biolyses13
- biolysis13
- biolytic15
- biometry15
- bionomic14
- bioplasm14
- biopsied13
- biopsies12
- bioscope14
- bioscopy17
- biotechs15
- biotical12
- biotites10
- biotitic12
- biotopes12
- biotoxin17
- biotrons10
- biotypes15
- biotypic17
- biovular13
- bocaccio16
- braciola12
- braciole12
- brioches15
- brionies10
- bullions10
C
- cabriole12
- calliope12
- campions14
- capriole12
- captions12
- captious12
- cardioid12
- cariocas12
- carioles10
- carriole10
- carrions10
- cationic12
- cautions10
- cautious10
- cessions10
- champion17
- chariots13
- cheerios13
- cheviots16
- chorioid14
- chorions13
- cioppino14
- citation10
- clarions10
- coaction12
- coercion12
- cohesion13
- coitions10
- conation10
- conioses10
- coniosis10
- cooption12
- creation10
- criollos10
- cullions10
- curculio12
- cushions13
- cushiony16
D
- darioles9
- decision11
- decurion11
- deionize18
- delation9
- deletion9
- delusion9
- demotion11
- derision9
- devotion12
- dictions11
- diecious11
- dilation9
- dilution9
- diluvion12
- diobolon11
- diocesan11
- dioceses11
- dioecies11
- dioecism13
- dioicous11
- diolefin12
- diopside12
- dioptase11
- diopters11
- dioptral11
- dioptres11
- dioptric13
- dioramas11
- dioramic13
- diorites9
- dioritic11
- dioxanes16
- dioxides17
- disunion9
- division12
- dominion11
- donation9
- dotation9
- doupioni11
- duration9
E
- eclosion10
- edacious11
- editions9
- eduction11
- effusion14
- egestion9
- ejection17
- elations8
- election10
- elisions8
- elusions8
- elutions8
- emersion10
- emission10
- emotions10
- emulsion10
- enations8
- envision11
- eobionts10
- equation17
- erasions8
- erection10
- erosions8
- eruption10
- estriols8
- etiolate8
- etiology12
- evasions11
- evection13
- eversion11
- eviction13
- evulsion11
- exaction17
- excision17
- exertion15
- eximious17
- exterior15
F
G
H
I
- ideation9
- idiocies11
- idiolect11
- idiotism11
- ignition9
- illation8
- illusion8
- inaction10
- incision10
- inferior11
- infixion18
- infusion11
- inhesion11
- intaglio9
- interior8
- invasion11
- iodating10
- iodation9
- iodinate9
- iodising10
- iodizers18
- iodizing19
- iodoform14
- iodophor14
- iodopsin11
- ionicity13
- ionising9
- ionizers17
- ionizing18
- ionogens9
- ionomers10
- iotacism12
J
L
M
N
O
P
- pactions12
- passions10
- patriots10
- pavilion13
- paviours13
- pensione10
- pensions10
- periodic13
- periodid12
- periotic12
- pervious13
- petiolar10
- petioled11
- petioles10
- petition10
- pillions10
- pinioned11
- pioneers10
- pliotron10
- plosions10
- pluviose13
- pluvious13
- portions10
- position10
- postriot10
- potation10
- precious12
- presidio11
- preunion10
- previous13
- priorate10
- prioress10
- priories10
- priority13
- prounion10
- pulsions10
- punition10
- pupation12
Q
R
S
- sanction10
- saviours11
- scabiosa12
- scabious12
- scallion10
- scansion10
- scariose10
- scarious10
- scenario10
- sciolism12
- sciolist10
- scission10
- scolioma12
- scorpion12
- scullion10
- sections10
- sedation9
- sedition9
- seignior9
- semioses10
- semiosis10
- semiotic12
- senecios10
- seraglio9
- sessions8
- signiori9
- signiors9
- signiory12
- skioring13
- solation8
- solution8
- sorption10
- spacious12
- specious12
- sponsion10
- spurious10
- stallion8
- stations8
- stiction10
- studious9
- suasions8
- suctions10
- sudation9
- superior10
- symbions15
- symbiont15
- symbiote15
- symbiots15
T
U
V
W
Z
Point values shown are Scrabble® (letters only, before board bonuses). Browse deeper via the word-lists hub.
Highest-scoring word in this list
The single highest-scoring word here in Scrabble® is amphioxi at 22 points (letters only, before board bonuses).
FAQs
How many 8-letter words contain IO?
519 valid 8-letter English words contain the letters IO.
Are these valid in Wordle and Scrabble?
Every word here comes from a standard English dictionary. UK Scrabble (Collins/SOWPODS) accepts all of them; a handful may not be legal in the North American TWL word list.