There are 98 words that start with 'green'.
Note: These 98 words that start with 'green' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with greens, greenb, greenl, greeni, greenh, greenw, greenf, greeng, greenm, greene, greenk, greenn, greeno, greenr, greent, greeny.