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There are 19 twelve-letter words containing A, H, I, O, 2S, T and U

AMPHISTOMOUSamphistomous adj. (Zoology) Having a sucker at each extremity.
AMPHISTOMOUS adj. having a sucker at either end, as some worms.
AUDITORSHIPSauditorships n. Plural of auditorship.
AUDITORSHIP n. the office of auditor.
AUTOHYPNOSISautohypnosis n. Hypnosis of oneself.
AUTOHYPNOSIS n. self-induced and usually automatic hypnosis.
CURATORSHIPScuratorships n. Plural of curatorship.
CURATORSHIP n. the office of curator.
DISAUTHORISEdisauthorise v. Alternative form of disauthorize.
DISAUTHORISE v. to deprive of authority, also DISAUTHORIZE.
HETEROUSIANSHETEROUSIAN n. one who believes the Father and Son to be of different essences.
ICHTHYOSAURSichthyosaurs n. Plural of ichthyosaur.
ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS.
ISOSTHENURIAisosthenuria n. The excretion of urine whose specific gravity (concentration) is neither greater nor less than that…
ISOSTHENURIA n. the inability to produce urine.
OCTASTICHOUSoctastichous adj. (Botany) Having a phyllotaxis of eight leaves in each spiral around a stem.
OCTASTICHOUS adj. in eight rows, also OCTOSTICHOUS.
ORNITHOSAURSORNITHOSAUR n. a pterodactyl.
PARASTICHOUSPARASTICHOUS adj. characterised by parastichy, i.e. having a secondary helix joining leaf-bases on an axis.
QUAESTORSHIPquaestorship n. The office or status of quaestor.
QUAESTORSHIP n. the office of quaestor, also QUESTORSHIP.
REAUTHORISESreauthorises v. Third-person singular simple present indicative form of reauthorise.
REAUTHORISE v. to authorise again, also REAUTHORIZE.
SINANTHROPUSSinanthropus prop.n. (Anthropology, paleontology, archaeology, obsolete) A taxonomic genus within the family Hominidae –…
SINANTHROPUS n. Peking fossil man.
SOUSAPHONISTsousaphonist n. Someone who plays the sousaphone.
SOUSAPHONIST n. one who plays the sousaphone.
SUBHASTATIONsubhastation n. (Archaic) A public sale or auction.
SUBHASTATION n. (historical) sale by public auction.
THIOSULFATESthiosulfates n. Plural of thiosulfate.
THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE.
UROLITHIASESurolithiases n. Plural of urolithiasis.
UROLITHIASIS n. formation of kidney stones.
UROLITHIASISurolithiasis n. (Biology, medicine) Formation of, and thus also presence of, calculi in the urinary tract.
UROLITHIASIS n. formation of kidney stones.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 78 words
  • Scrabble in French: 44 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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