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14-letter words starting with IS

There are 8 fourteen-letter words starting with IS in our dictionary. The most common are ISENTROPICALLY, ISOAGGLUTININS, ISOALLOXAZINES, ISOCARBOXAZIDS and ISOCHROMOSOMES.

Every word here is exactly 14 letters long and begins with IS. Handy when you know the first letters and the length, as in crosswords and Wordle-style puzzles.

14-letter words starting with IS

  • isentropically21
  • isoagglutinins16
  • isoalloxazines30
  • isocarboxazids35
  • isochromosomes23
  • isomerizations25
  • isomorphically26
  • isoproterenols16

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