Ryegrasses is a 10 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 12 points.
You can make 241 anagrams from letters in ryegrasses (aeegrrsssy).
First recorded in 1740-50; rye1 + grass
Clover, lucerne, ryegrass and similar grasses have been introduced to improve and vary the fodder.