There are 18 7-letter words that start with 'ble'.
| bleaker | bleakly | bleared | bleated | 
| bleater | bleeder | bleeped | bleeper | 
| blellum | blemish | blended | blender | 
| blendes | blesbok | blessed | blesser | 
| blesses | blether | ||
Note: These 18 7-letter words that start with 'ble' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with blea, blen, bles, blee, blem, blet, bleb, blep, blel, bled, blew.
4-letter words start with 'ble' (4)