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List of 12-letter words containing

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There are 20 twelve-letter words containing A, O, R, S, X and Y

ASPHYXIATORSasphyxiators n. Plural of asphyxiator.
ASPHYXIATOR n. one of who asphyxiates.
CARBOXYLASEScarboxylases n. Plural of carboxylase.
CARBOXYLASE n. an enzyme that catalyzes decarboxylation or carboxylation.
CARBOXYLATEScarboxylates n. Plural of carboxylate.
CARBOXYLATE v. to introduce carboxyl or carbon dioxide into (a compound) with formation of a carboxylic acid.
EXCLUSIONARYexclusionary adj. Acting to exclude something.
EXCLUSIONARY adj. relating to exclusion.
EXPANSIONARYexpansionary adj. That promotes or exhibits expansion; expansionist.
EXPANSIONARY adj. tending toward expansion.
EXTRANEOUSLYextraneously adv. In an extraneous manner.
EXTRANEOUS adv. not forming an essential or vital part.
EXTRASENSORYextrasensory adj. Of or relating to extrasensory perception.
extra-sensory adj. Alternative form of extrasensory.
EXTRASENSORY adj. residing beyond or outside the ordinary senses.
EXTRASYSTOLEextrasystole n. (Medicine) A premature contraction of the heart, producing an interruption or irregularity in heartbeat…
EXTRASYSTOLE n. a premature beat of one of the chambers of the heart that leads to momentary arrhythmia.
HYDROXYLASEShydroxylases n. Plural of hydroxylase.
HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions.
HYDROXYLATEShydroxylates v. Third-person singular simple present indicative form of hydroxylate.
HYDROXYLATE v. to introduce hydroxyl into.
HYDROXYUREAShydroxyureas n. Plural of hydroxyurea.
HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors.
HYPEROREXIASHYPEROREXIA n. compulsive overeating.
MORPHOSYNTAXmorphosyntax n. (Linguistics) Morphology and syntax regarded as an interlinked unit.
morpho-syntax n. (Linguistics) The system of the internal structure of words (morphology) and the way in which words…
morpho-syntax n. (Linguistics, formal) Grammar.
OROPHARYNXESoropharynxes n. Plural of oropharynx.
OROPHARYNX n. the part of the pharynx between the soft palate and the epiglottis.
PAROXYSMALLYparoxysmally adv. In a paroxysmal manner.
PAROXYSMAL adv. of the nature of a paroxysm.
PYRRHULOXIASpyrrhuloxias n. Plural of pyrrhuloxia.
PYRRHULOXIA n. a grey-and-pink crested bunting of Central and SW North America, with a short parrot-like bill.
REOXYGENATESreoxygenates v. Third-person singular simple present indicative form of reoxygenate.
REOXYGENATE v. to oxygenate again.
SEROTAXONOMYSEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.
XYLOGRAPHERSxylographers n. Plural of xylographer.
XYLOGRAPHER n. one who practises xylography, the art of making engravings on wood.
XYLOGRAPHIESxylographies n. Plural of xylography.
XYLOGRAPHY n. the art of making engravings on wood, esp. for printing.

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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 95 words
  • Scrabble in French: 28 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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