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There are 5 twelve-letter words beginning with SESQUI

SESQUIALTERA• sesquialtera n. (Music) A ratio of 3:2.
• sesquialtera n. (Music) An organ stop that uses two ranks of different pipes.
• SESQUIALTERA n. a perfect fifth; three notes against two; an organ stop giving the root, the twelfth and the tierce.
SESQUIALTERS• SESQUIALTER n. a mixture stop on an organ.
SESQUIOXIDES• sesquioxides n. Plural of sesquioxide.
• SESQUIOXIDE n. an oxide with three atoms of oxygen to two of the other constituent.
SESQUIPEDALS• SESQUIPEDAL n. a polysyllabic word.
SESQUITERTIA• sesquitertia n. (Obsolete) A ratio of 4 to 3.
• sesquitertia n. (Music, obsolete) A perfect fourth, an interval having the ratio of 1 to 1⅓, or 3 to 4.
• SESQUITERTIA n. a perfect fourth; a rhythm of three notes against four.

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: 12 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 6 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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