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List of 12-letter words containing

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There are 18 twelve-letter words containing A, I, O, 3S and Y

AREOSYSTILESAREOSYSTILE n. a building or colonnade alternately araeostyle and systyle, also ARAEOSYSTYLE.
ASTROPHYSICSastrophysics n. The branch of astronomy or physics that deals with the physical properties of celestial bodies and with…
ASTROPHYSICS n. a branch of astronomy dealing esp. with the behavior, physical properties, and dynamic processes of celestial objects and phenomena.
DISASTROUSLYdisastrously adv. In a disastrous way. (Of the nature of a disaster; calamitously.)
DISASTROUS adv. attended by or causing suffering or disaster.
FAIRYFLOSSESFAIRYFLOSS n. (Australian) candyfloss.
GLOSSODYNIASGLOSSODYNIA n. pain in the tongue.
GLYCOSIDASESglycosidases n. Plural of glycosidase.
GLYCOSIDASE n. an enzyme that catalyzes the hydrolysis of a bond joining a sugar of a glycoside to an alcohol or another sugar unit.
HYPOSTASISEDhypostasised v. Simple past tense and past participle of hypostasise.
HYPOSTASISE v. to treat as hypostasis, to personify, also HYPOSTASIZE, HYPOSTATISE, HYPOSTATIZE.
HYPOSTASISEShypostasises v. Third-person singular simple present indicative form of hypostasise.
HYPOSTASISE v. to treat as hypostasis, to personify, also HYPOSTASIZE, HYPOSTATISE, HYPOSTATIZE.
HYPOSTASIZEShypostasizes v. Third-person singular simple present indicative form of hypostasize.
HYPOSTASIZE v. to treat as hypostasis; to personify, also HYPOSTASISE, HYPOSTATISE, HYPOSTATIZE.
HYPOSTATISEShypostatises v. Third-person singular simple present indicative form of hypostatise.
HYPOSTATISE v. to treat as hypostasis; to personify, also HYPOSTASISE, HYPOSTASIZE, HYPOSTATIZE.
IMMUNOASSAYSimmunoassays n. Plural of immunoassay.
IMMUNOASSAY n. the determination of the presence and quantity of a substance through its action as an antigen.
POLYMASTISMSPOLYMASTISM n. the presence of supernumerary breasts or nipples, also POLYMASTIA, POLYMASTY.
SCYPHISTOMASscyphistomas n. Plural of scyphistoma.
SCYPHISTOMA n. the fixed polypoid stage in the life cycle of a scyphozoan, which reproduces asexually by budding or strobilation.
SOOTHSAYINGSsoothsayings n. Plural of soothsaying.
SOOTHSAYING n. the act of divining.
SPASMOLYTICSspasmolytics n. Plural of spasmolytic.
SPASMOLYTIC n. a spasmolytic drug.
STYLISATIONSstylisations n. Plural of stylisation.
STYLISATION n. the act of stylising, also STYLIZATION.
SYMPOSIARCHSsymposiarchs n. Plural of symposiarch.
SYMPOSIARCH n. the master, director, etc. of a feast or conference.
SYNARTHROSISsynarthrosis n. (Anatomy) A type of joint in which two bones are connected rigidly by fibrous tissue.
SYNARTHROSIS n. the fixed articulation of bones.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 80 words
  • Scrabble in French: 63 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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