There are 6 15-letter words that start with 'bl'.
| blamelessnesses | blameworthiness |
| blasphemousness | blaxploitations |
| bloodguiltiness | bloodlessnesses |
Note: These 6 15-letter words that start with 'bl' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with bla, blo, blu, ble, bli, bly.
4-letter words start with 'bl' (20)