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

AUDITORSHIPSauditorships n. Plural of auditorship.
AUDITORSHIP n. the office of auditor.
BEHAVIOURISTbehaviourist n. Britain standard spelling of behaviorist.
BEHAVIOURIST n. an adherent of behaviourism.
DINOTHERIUMSdinotheriums n. Plural of dinotherium.
DINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DEINOTHERIUM, DINOTHERE.
DISAUTHORISEdisauthorise v. Alternative form of disauthorize.
DISAUTHORISE v. to deprive of authority, also DISAUTHORIZE.
DISAUTHORIZEdisauthorize v. (Transitive) To deprive of credit or authority; to discredit.
DISAUTHORIZE v. to deprive of authority, also DISAUTHORISE.
FLOURISHIESTFLOURISHY adj. full of flourishes.
HARMONIUMISTharmoniumist n. Someone who plays a harmonium.
HARMONIUMIST n. one who plays the harmonium.
ICHTHYOSAURIichthyosauri n. Plural of ichthyosaur.
ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN.
IDIOTHERMOUSIDIOTHERMOUS adj. warm-blooded.
ISOSTHENURIAisosthenuria n. The excretion of urine whose specific gravity (concentration) is neither greater nor less than that…
ISOSTHENURIA n. the inability to produce urine.
LEIOTRICHOUSleiotrichous adj. Having smooth hair.
LEIOTRICHOUS adj. straight-haired.
NITROPHILOUSnitrophilous adj. (Botany, of a plant) Thriving in a habitat rich in nitrogen.
nitrophilous adj. (Ecology, of a habitat) Rich in nitrogen.
NITROPHILOUS adj. of plants, growing in a place where there is a good supply of nitrogen.
PERITRICHOUSperitrichous adj. (Biology) Having flagella around the body or around the mouth.
PERITRICHOUS adj. having flagella uniformly distributed over the body.
THIOSULFURICthiosulfuric adj. (Inorganic chemistry) Of or pertaining to thiosulfuric acid or its derivatives.
THIOSULFURIC adj. as in thiosulfuric acid, an unstable acid known only in solutions and in the form of its salts.
UNHISTORICALunhistorical adj. Not historical; not based on history.
UNHISTORICAL adj. not historical.
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.
VIRTUOSOSHIPvirtuosoship n. The status, pursuits, or occupation of a virtuoso.
VIRTUOSOSHIP n. being a virtuoso.
WHODUNITRIESWHODUNITRY n. the genre of whodunit writing, also WHODUNNITRY.

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: 73 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: 5 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 35 words


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