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List of 12-letter words containing

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There are 18 twelve-letter words containing E, H, O, R, X and Y

EXHILARATORYexhilaratory adj. Causing exhilaration.
EXHILARATORY adj. serving to exhilarate.
EXOTHERMALLYexothermally adv. In an exothermal manner.
EXOTHERMAL adv. of a chemical reaction, giving out heat, also EXOTHERMIC.
HYDROXYLASEShydroxylases n. Plural of hydroxylase.
HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions.
HYDROXYLATEDhydroxylated v. Simple past tense and past participle of hydroxylate.
hydroxylated adj. (Organic chemistry) That has been modified by hydroxylation.
HYDROXYLATE v. to introduce hydroxyl into.
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.
HYDROXYZINEShydroxyzines n. Plural of hydroxyzine.
HYDROXYZINE n. a compound used as an antihistamine and tranquilizer.
HYPERCOMPLEXhypercomplex adj. (Mathematics) Describing any of several types of higher-dimensional numbers having some characteristics…
hypercomplex n. (Mathematics) A hypercomplex number.
HYPERCOMPLEX adj. excessively complex.
HYPEROREXIASHYPEROREXIA n. compulsive overeating.
LEXICOGRAPHYlexicography n. (Uncountable) The art or craft of compiling, writing, and editing dictionaries.
lexicography n. (Uncountable, linguistics) The scholarly discipline of analysing and describing the semantic, syntagmatic…
lexicography n. (Countable) A dictionary, a lexicon, a wordbook.
METHOXYCHLORmethoxychlor n. (Organic chemistry) A synthetic organochlorine used as an insecticide.
METHOXYCHLOR n. a relatively nontoxic organochlorine insecticide.
NEOORTHODOXYNeoorthodoxy n. Alternative form of Neo-orthodoxy.
neo-orthodoxy n. (Christianity, theology) A theological movement developed in the aftermath of World War I, largely a…
Neo-orthodoxy n. Alternative letter-case form of neo-orthodoxy.
OROPHARYNXESoropharynxes n. Plural of oropharynx.
OROPHARYNX n. the part of the pharynx between the soft palate and the epiglottis.
OXYHYDROGENSOXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding.
PROPOXYPHENEpropoxyphene n. Dextropropoxyphene.
PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
XEROPHYTISMSXEROPHYTISM n. being a xerophyte.
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: 90 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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