There are 20 6-letter words that start with 'cru'.
| cruces | crucks | cruddy | cruder | crudes | 
| cruets | cruise | crumbs | crumby | crummy | 
| crumps | crunch | cruors | crural | cruses | 
| cruset | crusts | crusty | crutch | cruxes | 
Note: These 20 6-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)