There are 14 10-letter words that start with 'cru'.
| crucifiers | crucifixes | cruciforms | 
| crucifying | crumbliest | crumblings | 
| crumminess | crumpliest | crunchable | 
| crunchiest | crushingly | crushproof | 
| crustacean | crustiness | |
Note: These 14 10-letter words that start with 'cru' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with crum, crus, cruc, crud, crun, crue, crui, cruz, crut, crul, cruo, crup, crur, crux.
4-letter words start with 'cru' (3)