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12-letter words starting with PROPORTION

There are 2 twelve-letter words starting with PROPORTION in our dictionary. The most common are PROPORTIONAL and PROPORTIONED.

Every word here is exactly 12 letters long and begins with PROPORTION. Handy when you know the first letters and the length, as in crosswords and Wordle-style puzzles.

12-letter words starting with PROPORTION

  • proportional16
  • proportioned17

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