A/An
* a: used before words beginning with a consonant sound (a dog, a house)
* an: used before words beginning with a vowel sound (an apple, an hour)
Bare/Bear
* bare: uncovered, naked (bare feet)
* bear: a large mammal (black bear), to carry (bear the burden)
Break/Brake
* break: to separate, to stop (break a leg, take a break)
* brake: a device to slow down a vehicle (apply the brakes)
Buy/By/Bye
* buy: to purchase (buy a new car)
* by: near, next to (walk by the river)
* bye: goodbye (say bye to your mom)
Cell/Sell
* cell: a small room, a unit of a living organism (prison cell, blood cell)
* sell: to exchange for money (sell a car)
Dear/Deer
* dear: beloved, expensive (dear friend, dear clothes)
* deer: a type of animal (white-tailed deer)
Hear/Here
* hear: to perceive sound (hear the music)
* here: in this place (come here)
Know/No
* know: to have knowledge (know the answer)
* no: the opposite of yes (no, thank you)
Pair/Pear
* pair: two things that belong together (a pair of shoes)
* pear: a type of fruit (ripe pear)
Peace/Piece
* peace: a state of tranquility (world peace)
* piece: a part of something (a piece of pie)
See/Sea
* see: to perceive with your eyes (see the sunset)
* sea: a large body of salt water (the Atlantic sea)
Their/There/They're
* their: belonging to them (their house)
* there: in that place (look over there)
* they're: they are (they're coming)
To/Too/Two
* to: in the direction of (go to the store)
* too: also, excessively (too much sugar)
* two: the number 2 (two apples)
Week/Weak
* week: a period of seven days (next week)
* weak: lacking strength (weak muscles)
We're/Were
* we're: we are (we're going to the park)
* were: past tense of are (we were at the park)
Your/You're
* your: belonging to you (your car)
* you're: you are (you're welcome)
This is just a small selection of homophones. There are many others in the English language!