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There is only one seven-letter word beginning with SIGMO

SIGMOIDsigmoid adj. (Archaic) Semi-circular, like the uncial or lunar sigma (similar to English C).
sigmoid adj. Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.
sigmoid adj. (Anatomy) Relating to the sigmoid colon.

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.

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See this list for:

  • English Wiktionary: 2 words
  • Scrabble in French: no word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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