There are 18 words that start with 'grass'.
grass | grassy | grassed |
grasses | grassier | grassily |
grassing | grassiest | grassland |
grassless | grasslike | grassplot |
grassroot | grasslands | grassplots |
grassroots | grasshopper | grasshoppers |
Note: These 18 words that start with 'grass' are found from the USA & Canada version of the tournament Scrabble word list.