There are 37 7-letter words that start with 'cru'.
Note: These 37 7-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)