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There are 16 twelve-letter words containing L, R, S, X and Y

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.
EXCRESCENTLYexcrescently adv. In an excrescent manner.
EXCRESCENT adv. growing out in an abnormal or morbid manner or as a superfluity.
EXPOSITORILYexpositorily adv. In an expository fashion.
EXPOSITORY adv. pertaining to, or containing, exposition.
EXPRESSIVELYexpressively adv. In an expressive manner.
EXPRESSIVE adv. full of expression.
EXTRANEOUSLYextraneously adv. In an extraneous manner.
EXTRANEOUS adv. not forming an essential or vital part.
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.
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.
SEXANGULARLYsexangularly adv. (Archaic, rare) hexagonally.
SEXANGULAR adv. hexagonal.
SUBMAXILLARYsubmaxillary adj. (Anatomy) Situated under the maxilla, or lower jaw; inframaxillary.
submaxillary adj. (Anatomy) Of or pertaining to the submaxillary gland.
SUBMAXILLARY adj. situated beneath the lower jaw, as in submaxillary gland, a salivary gland discharging beneath tongue.
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: 87 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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