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 There are 15 twelve-letter words containing E, H, O, P, X and Y| HYPERCOMPLEX | • hypercomplex adj. (Mathematics) Describing any of several types of higher-dimensional numbers having some characteristics… • hypercomplex n. (Mathematics) A hypercomplex number.
 • HYPERCOMPLEX adj. excessively complex.
 |  | HYPEROREXIAS | • HYPEROREXIA n. compulsive overeating. |  | HYPOXANTHINE | • hypoxanthine n. (Organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis… • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
 |  | LEXICOGRAPHY | • lexicography 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.
 |  | OROPHARYNXES | • oropharynxes n. Plural of oropharynx. • OROPHARYNX n. the part of the pharynx between the soft palate and the epiglottis.
 |  | OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull.
 |  | OXYCEPHALOUS | • OXYCEPHALOUS adj. having a conical skull, also OXYCEPHALIC. |  | OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur.
 |  | PHYLLOTAXIES | • phyllotaxies n. Plural of phyllotaxy. • PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS.
 |  | PHYTOALEXINS | • phytoalexins n. Plural of phytoalexin. • PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
 |  | PROPOXYPHENE | • propoxyphene n. Dextropropoxyphene. • PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
 |  | PSYCHOSEXUAL | • psychosexual adj. Of or relating to the psychological aspect or aspects of sexuality. • PSYCHOSEXUAL adj. of or relating to the mental, emotional, and behavioral aspects of sexual development.
 |  | XEROPHYTISMS | • XEROPHYTISM n. being a xerophyte. |  | XYLOGRAPHERS | • xylographers n. Plural of xylographer. • XYLOGRAPHER n. one who practises xylography, the art of making engravings on wood.
 |  | XYLOGRAPHIES | • xylographies n. Plural of xylography. • XYLOGRAPHY n. the art of making engravings on wood, esp. for printing.
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 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.
 
 See this list for:English Wiktionary: 68 wordsScrabble in French: 14 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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