Here are some examples of homophone pairs:
* to, too, two
* there, their, they're
* here, hear
* see, sea
* write, right
* knew, new
* no, know
* your, you're
* allowed, aloud
* brake, break
* buy, by
* dear, deer
* hear, here
* hour, our
* its, it's
* peace, piece
* principal, principle
* than, then
* threw, through
* wait, weight
* weak, week
* weather, whether
* who's, whose
Do you have a specific homophone pair in mind, or would you like to see more examples?