List of 12-letter words containing ••••

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There are 15 twelve-letter words containing N, 2O, X and Y

CYTOTAXONOMY	• cytotaxonomy n. (Taxonomy) The classification of organisms based upon their cellular structure and function, and especially… • CYTOTAXONOMY n. the classification of organisms based on cell structure, esp. the number, shape, etc., of the chromosomes.
DEOXYCORTONE	• deoxycortone n. (Pharmacology) UK form of desoxycortone. • DEOXYCORTONE n. a corticosteroid hormone important in maintaining sodium and water balance in the body.
EXTORTIONARY	• extortionary adj. Of, relating to, or typical of extortion; extortionate. • EXTORTIONARY adj. relating to extortion.
HAEMATOXYLON	• HAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HYDROXONIUMS	• hydroxoniums n. Plural of hydroxonium. • HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
MORPHOSYNTAX	• morphosyntax 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.
NEOORTHODOXY	• Neoorthodoxy 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.
OROPHARYNXES	• oropharynxes n. Plural of oropharynx. • OROPHARYNX n. the part of the pharynx between the soft palate and the epiglottis.
OXYGENATIONS	• oxygenations n. Plural of oxygenation. • OXYGENATION n. the act of oxygenating.
OXYHYDROGENS	• OXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding.
POLYSILOXANE	• polysiloxane n. (Chemistry) Any of many polymers having a siloxane repeat unit. • POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
PROPOXYPHENE	• propoxyphene n. Dextropropoxyphene. • PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
SEROTAXONOMY	• SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.
UNORTHODOXLY	• unorthodoxly adv. In an unorthodox manner, unconventionally. • UNORTHODOX adv. not orthodox.
XYLOPHONISTS	• xylophonists n. Plural of xylophonist. • XYLOPHONIST n. one who plays the xylophone.

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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English Wiktionary: 166 words
Scrabble in French: 19 words
Scrabble in Spanish: 1 word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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