There are 311 words that start with 'poly'.
Note: These 311 words that start with 'poly' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with polyp, polyg, polyc, polym, polys, polyt, polya, polye, polyh, polyn, polyo, polyd, polyr, polyu, polyb, polyz, polyv, polyi, polyl, polyw.
5-letter words start with 'poly' (2)