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List of 13-letter words containing

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There are 9 thirteen-letter words containing H, O, R, S, 2U and Y

HYPERCAUTIOUShypercautious adj. Especially or unreasonably cautious.
HYPERCAUTIOUS adj. excessively cautious.
HYPOSULPHURIChyposulphuric adj. Alternative spelling of hyposulfuric.
HYPOSULPHURIC adj. denoting a kind of acid.
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.
PYROSULPHURICpyrosulphuric adj. (Britain) Alternative spelling of pyrosulfuric.
PYROSULPHURIC adj. as in pyrosulphuric acid, a type of acid.
SULPHONYLUREAsulphonylurea n. Alternative spelling of sulfonylurea.
SULPHONYLUREA n. a synthetic compound used to reduce the level of glucose in the blood in diabetes mellitus.
SULPHUREOUSLYsulphureously adv. Archaic form of sulfurously.
SULPHUREOUS adv. pertaining to or like sulphur, also SULFUREOUS.
UNRIGHTEOUSLYunrighteously adv. In an unrighteous manner.
UNRIGHTEOUS adv. not righteous.
UNTRUSTWORTHYuntrustworthy adj. Not deserving of trust; unreliable.
UNTRUSTWORTHY adj. not trustworthy.
UPRIGHTEOUSLYuprighteously adv. In an uprighteous or just manner.
UPRIGHTEOUSLY adv. (Shakespeare) with moral right.

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: 32 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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