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There are 3 nine-letter words beginning with THYRO

THYROIDALthyroidal adj. (Physiology) Of, pertaining to, or affecting the thyroid.
THYROIDAL adj. relating to the thyroid gland.
THYROXINEthyroxine n. (Biochemistry) A hormone (an iodine derivative of tyrosine), produced by the thyroid gland, that regulates…
THYROXINE n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXIN.
THYROXINSthyroxins n. Plural of thyroxin.
THYROXIN n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXINE.

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


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