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There are 19 twelve-letter words containing A, C, E, I, 2O, S and U

ACOLOUTHITESACOLOUTHITE n. (obsolete) an acolyte.
AMPHICOELOUSamphicoelous adj. (Zoology, of vertebrae) Having both ends concave; biconcave.
AMPHICOELOUS adj. of the vertebrae of most fishes and some amphibians, concave at the anterior and posterior ends.
AUTECOLOGIESautecologies n. Plural of autecology.
AUTECOLOGY n. the study of the ecology of one species.
AUTOECIOUSLYautoeciously adv. In an autoecious manner.
AUTOECIOUS adv. of fungus, etc., passing through all life stages on same species of host, also AUTECIOUS.
CALYCOIDEOUSCALYCOIDEOUS adj. calyx-shaped, also CALYCOID.
CICHORACEOUScichoraceous adj. (Botany) Belonging to, or resembling, a suborder of composite plants of which the chicory (Cichorium) is the type.
CICHORACEOUS adj. of or belonging to the Cichoraceae, a suborder of plants including the chicory, endive, dandelion, etc.
COEDUCATIONSCOEDUCATION n. the education of students of both sexes at the same institution.
DIATOMACEOUSdiatomaceous adj. Of, pertaining to, or containing diatoms or their coverings.
DIATOMACEOUS adj. consisting of or abounding in diatoms or their siliceous remains.
DOULOCRACIESDOULOCRACY n. a government formed of privileged slaves, also DULOCRACY.
EQUIVOCATORSequivocators n. Plural of equivocator.
EQUIVOCATOR n. one who equivocates.
LOGANIACEOUSloganiaceous adj. (Botany) Belonging to the Loganiaceae.
LOGANIACEOUS adj. belonging to the Loganiaceae, a tropical and subtropical family of plants that includes nux vomica, pinkroot, and gelsemium.
MOUSTACHIOEDmoustachioed adj. (Of a man or his face) Possessing a moustache or moustachio.
moustachioed v. Simple past tense and past participle of moustachio.
MOUSTACHIOED adj. having a moustachio.
MUSEOLOGICALmuseological adj. Pertaining to museology.
MUSEOLOGICAL adj. relating to museology.
ORCHIDACEOUSorchidaceous adj. (Botany) Of or pertaining to orchids.
orchidaceous adj. Characterized by ostentatiousness; showy.
ORCHIDACEOUS adj. relating to orchids, also ORCHIDEOUS.
ORICHALCEOUSorichalceous adj. Pertaining to, or resembling, orichalch; having a colour or lustre like that of brass.
ORICHALCEOUS adj. of or like orichalc.
OSCULATORIESosculatories n. Plural of osculatory.
OSCULATORY n. a carved tablet kissed by priest during celebration of mass.
OVERCAUTIONSovercautions v. Third-person singular simple present indicative form of overcaution.
OVERCAUTION n. excessive caution.
OVERCAUTIOUSovercautious adj. Excessively cautious.
OVERCAUTIOUS adj. excessively cautious.
PORCELAINOUSPORCELAINOUS adj. like porcelain, also PORCELAINEOUS, PORCELANEOUS, PORCELLANEOUS, PORCELLANOUS.

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: 90 words
  • Scrabble in French: 65 words
  • Scrabble in Spanish: 90 words
  • Scrabble in Italian: 58 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 49 words


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