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There are 18 twelve-letter words containing A, N, O, S, X and Y

AMOXYCILLINSamoxycillins n. Plural of amoxycillin.
AMOXYCILLIN n. an antibiotic drug, a type of semisynthetic penicillin, also AMOXICILLIN.
ASPHYXIATIONasphyxiation n. Death due to lack of oxygen.
asphyxiation n. An acute lack of oxygen.
ASPHYXIATION n. the act of asphyxiation.
CYCLOHEXANEScyclohexanes n. Plural of cyclohexane.
CYCLOHEXANE n. a pungent saturated cyclic hydrocarbon found in petroleum or made synthetically and used chiefly as a solvent and in organic synthesis.
DEOXYGENATESdeoxygenates v. Third-person singular simple present indicative form of deoxygenate.
DEOXYGENATE v. to remove esp. molecular oxygen from.
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.
HEMATOXYLINShematoxylins n. Plural of hematoxylin.
HEMATOXYLIN n. a dye obtained from logwood, also HAEMATOXYLIN.
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.
OXYGENATIONSoxygenations n. Plural of oxygenation.
OXYGENATION n. the act of oxygenating.
PHYTOALEXINSphytoalexins n. Plural of phytoalexin.
PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
POLYSILOXANEpolysiloxane 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.
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.
XANTHOPHYLLSxanthophylls n. Plural of xanthophyll.
XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.
ZANTHOXYLUMSzanthoxylums n. Plural of zanthoxylum.
ZANTHOXYLUM n. a plant of a genus of the rue family found in Brazil, in particular the prickly-ash or Hercules club, also XANTHOXYL, ZANTHOXYL.

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: 103 words
  • Scrabble in French: 23 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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