There are 17 words that start with 'crust'.
| crust | crusts | crusty |
| crustal | crusted | crustier |
| crustily | crusting | crustose |
| crustacea | crustiest | crustless |
| crustacean | crustiness | crustaceans |
| crustaceous | crustinesses | |
Note: These 17 words that start with 'crust' are found from the USA & Canada version of the tournament Scrabble word list.