There are 2 10-letter words that end with 'b'.
heartthrob | undershrub | |
Note: These 2 10-letter words that end with 'b' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with mb, ab, rb, ub, ob, ib, eb, bb, lb.
2-letter words end with 'b' (1)