Nouns:
* air (the atmosphere) and heir (a person who inherits something)
* bare (uncovered) and bear (a large mammal)
* flower (a blossom) and flour (a powder made from grain)
* pail (a bucket) and pale (light in color)
* peace (tranquility) and piece (a part of something)
Verbs:
* brake (to slow down) and break (to shatter)
* buy (to purchase) and by (near)
* heal (to recover) and heel (the back part of the foot)
* knew (past tense of know) and new (recent)
* see (to perceive with your eyes) and sea (a large body of saltwater)
Adjectives:
* dear (beloved) and deer (an animal)
* fair (just) and fare (the price of a journey)
* hear (to perceive sound) and here (in this place)
* right (correct) and write (to put words on paper)
* some (a few) and sum (the total amount)
Other words:
* to (towards) and too (also) and two (the number 2)
* there (in that place), their (belonging to them), and they're (they are)
* hour (60 minutes) and our (belonging to us)
* its (belonging to it) and it's (it is)
This is just a small sample of the many homophones that exist in the English language. Can you think of any more?