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There are 7 nine-letter words beginning with THIO

THIOFURANthiofuran n. Thiophene.
THIOFURAN n. a five-membered heterocyclic compound with sulphur, aka thiophen.
THIONATESthionates n. Plural of thionate.
THIONATE n. a sulphur compound.
THIONINESthionines n. Plural of thionine.
THIONINE n. a violet dye, also THIONIN.
THIOPHENEthiophene n. (Organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon…
THIOPHENE n. a five-membered heterocyclic compound with sulphur, also THIOPHEN.
THIOPHENSthiophens n. Plural of thiophen.
THIOPHEN n. a type of sulphur compound.
THIOTEPASTHIOTEPA n. a sulfur compound, used as an antineoplastic.
THIOUREASthioureas n. Plural of thiourea.
THIOUREA n. urea with its oxygen replaced by sulphur.

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: 31 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: 1 word
  • Scrabble in Romanian: no word


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