There are 18 words that start with 'crook'.
| crook | crooks |
| crooked | crooker |
| crookery | crookest |
| crooking | crookback |
| crookeder | crookedly |
| crookneck | crookbacks |
| crookedest | crookeries |
| crooknecks | crookbacked |
| crookedness | crookednesses |
Note: These 18 words that start with 'crook' are found from the USA & Canada version of the tournament Scrabble word list.