There are 17 9-letter words that end with 'ass'.
| beargrass | bentgrass | bluegrass |
| cordgrass | crabgrass | embarrass |
| hourglass | encompass | isinglass |
| knotgrass | sandglass | overclass |
| tallgrass | turfgrass | underpass |
| wineglass | wiregrass | |
Note: These 17 9-letter words that end with 'ass' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with rass, lass, pass, mass, bass, eass, vass, dass, gass, tass, cass, iass, kass, sass, uass, yass.
4-letter words end with 'ass' (6)