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15-letter words starting with TRI

There are 9 fifteen-letter words starting with TRI in our dictionary. The most common are TRIGONOMETRICAL, TRIANGULARITIES, TRICHOMONACIDAL, TRICHOMONACIDES and TRIFLUOPERAZINE.

Every word here is exactly 15 letters long and begins with TRI. Handy when you know the first letters and the length, as in crosswords and Wordle-style puzzles.

15-letter words starting with TRI

  • trigonometrical20
  • triangularities16
  • trichomonacidal25
  • trichomonacides25
  • trifluoperazine29
  • trihalomethanes23
  • trinitrotoluene15
  • trisoctahedrons21
  • trivializations27

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