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There are 4 twelve-letter words beginning with SPIRO

SPIROCHAETALspirochaetal adj. Alternative form of spirochetal.
SPIROCHAETAL adj. resulting from spirochaetes, also SPIROCHETAL.
SPIROCHAETESspirochaetes n. Plural of spirochaete.
Spirochaetes prop.n. The spirochetes.
spirochætes n. Plural of spirochæte.
SPIROGRAPHICSPIROGRAPHIC adj. relating to a spirograph, an instrument recording movements of breathing.
SPIROMETRIESspirometries n. Plural of spirometry.
SPIROMETRY n. the act of measuring the chest capacity by means of a spirometer.

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: 25 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 6 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 8 words


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