Underestimates rhymes with:
guesstimates, guesstimates, guesstimates, guesstimates, damitz, guesstimates, kismets, nemetz, nemitz, nimitz, summits, thermits
guesstimates, guesstimates, guesstimates, guesstimates, damitz, guesstimates, kismets, nemetz, nemitz, nimitz, summits, thermits