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10-letter words starting with IS

There are 38 ten-letter words starting with IS in our dictionary. The most common are ISENTROPIC, ISOCYANATE, ISOLATIONS, ISOLEUCINE and ISOMORPHIC.

Every word here is exactly 10 letters long and begins with IS. Handy when you know the first letters and the length, as in crosswords and Wordle-style puzzles.

10-letter words starting with IS

  • isentropic14
  • isocyanate15
  • isolations10
  • isoleucine12
  • isomorphic19
  • isothermal15
  • isallobars12
  • ischaemias17
  • isoantigen11
  • isobutanes12
  • isocaloric14
  • isochronal15
  • isochrones15
  • isocracies14
  • isoenzymes24
  • isoenzymic26
  • isogametes13
  • isogametic15
  • isoglossal11
  • isoglosses11
  • isoglossic13
  • isografted15
  • isolatable12
  • isomerases12
  • isomerisms14
  • isomerized22
  • isomerizes21
  • isometrics14
  • isometries12
  • isoniazids20
  • isooctanes12
  • isopiestic14
  • isoplethic17
  • isoprenoid13
  • isopropyls17
  • isospories12
  • isostasies10
  • isotropies12

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