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10-letter words starting with OCT

There are 8 ten-letter words starting with OCT in our dictionary. The most common are OCTAHEDRAL, OCTAHEDRON, OCTAMETERS, OCTARCHIES and OCTILLIONS.

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

10-letter words starting with OCT

  • octahedral16
  • octahedron16
  • octameters14
  • octarchies17
  • octillions12
  • octonaries12
  • octoploids15
  • octothorps17

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