Do you say the B in thumb?
The rule is simple: if a word ends in the letters mb, the b is silent. I already told you the word climb. Some others are thumb, comb, crumb, lamb, limb, bomb, and dumb. I want to make it clear that we can still add the necessary grammatical suffixes to the word.
How do you say the word thumb?
What’s the silent letter in thumb?
Most silent b’s come at the ends of words and just after m: bomb, climb, comb, crumb, dumb, lamb, limb, numb, plumb, thumb, tomb.