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List of 13-letter words containing

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There are 7 thirteen-letter words containing A, C, 2S, T, U and Y

AUTOCATALYSESautocatalyses v. Third-person singular simple present indicative form of autocatalyse.
AUTOCATALYSE v. to effect autocatalysis, also AUTOCATALYZE.
AUTOCATALYSISautocatalysis n. (Chemistry) catalysis of a reaction by one of its products.
AUTOCATALYSIS n. the catalysis of a reaction by a product of that reaction.
CALYCANTHUSEScalycanthuses n. Plural of calycanthus.
CALYCANTHUS n. the Carolina allspice or strawberry shrub, a North American shrub.
CASUISTICALLYcasuistically adv. (Manner) Using casuistry or casuistics.
casuistically adv. (Domain) From the perspective of casuistics or casuistry.
CASUISTICAL adv. relating to casuistry, plausible but flawed moral reasoning, also CASUISTIC.
ICHTHYOSAURUSichthyosaurus n. (Archaic) Alternative form of ichthyosaur.
ichthyosaurus n. Any members of the genus Ichthyosaurus.
Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles.
QUASICRYSTALSquasicrystals n. Plural of quasicrystal.
quasi-crystals n. Plural of quasi-crystal.
QUASICRYSTAL n. a body of solid material that resembles a crystal in being composed of repeating structural units but that incorporates two or more unit cells into a quasiperiodic structure.
SUBSPECIALITYsubspeciality n. (UK) Alternative spelling of subspecialty.
SUBSPECIALITY n. a subordinate speciality, also SUBSPECIALTY.

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: 84 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 22 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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