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List of 13-letter words containing

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There are 14 thirteen-letter words containing A, I, 2O, P, 2S and U

ANGIOSPERMOUSangiospermous adj. (Botany) Having seeds enclosed in a pod or other pericarp.
ANGIOSPERMOUS adj. like an angiosperm, also ANGIOSPERMAL.
ANISOPHYLLOUSanisophyllous adj. (Botany) Having unequal leaves.
ANISOPHYLLOUS adj. of leaves, usually a pair, of differing size and shape.
AUTOMORPHISMSautomorphisms n. Plural of automorphism.
AUTOMORPHISM n. ascription to others of one's own characteristics.
AVOIRDUPOISESavoirdupoises n. Plural of avoirdupois.
AVOIRDUPOIS n. (French) a system of weights in which the pound (lb.) has 16 ounces.
COAUTHORSHIPScoauthorships n. Plural of coauthorship.
COAUTHORSHIP n. the role of coauthor.
OUTPASSIONINGoutpassioning v. Present participle of outpassion.
OUTPASSION v. to exceed in passion.
PLAGIOSTOMOUSplagiostomous adj. (Zoology) Of or pertaining to the Plagiostomi.
PLAGIOSTOMOUS adj. of or like a plagiostome, also PLAGIOSTOMATOUS.
PSAMMOPHILOUSpsammophilous adj. (Botany) arenophilous, sand-loving.
psammophilous adj. (Zoology), sand-loving.
PSAMMOPHILOUS adj. sand-loving.
SCHIZOCARPOUSschizocarpous adj. Of or relating to schizocarps.
SCHIZOCARPOUS adj. of or like a schizocarp, a compound fruit splitting into several one-seeded ones.
SEMIOVIPAROUSsemioviparous adj. (Zoology, obsolete) Imperfectly viviparous; giving birth to immature young that finish developing outside…
SEMIOVIPAROUS adj. bringing forth young in an incomplete developmental state.
SOUSAPHONISTSsousaphonists n. Plural of sousaphonist.
SOUSAPHONIST n. one who plays the sousaphone.
SPHAGNICOLOUSsphagnicolous adj. (Botany) Growing in moss of the genus Sphagnum.
SPHAGNICOLOUS adj. living in peat moss.
SULPHONATIONSsulphonations n. Plural of sulphonation.
SULPHONATION n. the act of sulphonating.
SUPPOSITIONALsuppositional adj. Relating to, or based on, supposition; hypothetical; conjectural.
SUPPOSITIONAL adj. having the nature of a supposition.

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: 70 words
  • Scrabble in French: 52 words
  • Scrabble in Spanish: 25 words
  • Scrabble in Italian: 28 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 23 words


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