There are 85 words that start with 'play'.
Note: These 85 words that start with 'play' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with playa, playg, playb, playf, playl, playw, playd, playm, playt, playe, plays, playh, playo, playp, playr, playi.