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There are 14 twelve-letter words containing A, H, I, O, 2R, S and U

ARCHESPORIUMarchesporium n. (Botany) Any of the cells of the sporangium that give rise to spores.
ARCHESPORIUM n. a primitive cell or group of cells from which a mother cell develops.
ARCHOSAURIANarchosaurian n. An archosaur.
ARCHOSAURIAN n. any of a subclass of reptiles comprising pterosaurs, dinosaurs and crocodilians, also ARCHOSAUR.
BRACHIOSAURSbrachiosaurs n. Plural of brachiosaur.
CHIAROSCUROSchiaroscuros n. Plural of chiaroscuro.
CHIAROSCURO n. (Italian) the quality of being veiled or partly in shadow.
CURATORSHIPScuratorships n. Plural of curatorship.
CURATORSHIP n. the office of curator.
HARBOURSIDESharboursides n. Plural of harbourside.
HARBOURSIDE n. the land that is situated next to a harbour, also HARBORSIDE.
ORNITHOSAURSORNITHOSAUR n. a pterodactyl.
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.
REAUTHORISEDreauthorised v. Simple past tense and past participle of reauthorise.
REAUTHORISE v. to authorise again, also REAUTHORIZE.
REAUTHORISESreauthorises v. Third-person singular simple present indicative form of reauthorise.
REAUTHORISE v. to authorise again, also REAUTHORIZE.
REAUTHORIZESreauthorizes v. Third-person singular simple present indicative form of reauthorize.
REAUTHORIZE v. to authorize again, also REAUTHORISE.
RHIZOCARPOUSrhizocarpous adj. (Botany) Having perennial rootstocks or bulbs, but annual flowering stems; said of all perennial herbs.
RHIZOCARPOUS adj. of or like a rhizocarp, also RHIZOCARPIC.
SCROPHULARIAScrophularia prop.n. A taxonomic genus within the family Scrophulariaceae – the figworts, native principally to Asia.
SCROPHULARIA n. a plant of the figwort genus.
SUBARRHATIONsubarrhation n. (Historical) The ancient custom of betrothal by gift of pledges.
SUBARRHATION n. an ancient form of betrothal in which pledges of money, rings, etc. were given by the man to the woman, also SUBARRATION.

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: 51 words
  • Scrabble in French: 19 words
  • Scrabble in Spanish: 17 words
  • Scrabble in Italian: 10 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 27 words


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