A/An - the indefinite article, used before a noun (A cat; An apple)
Are - the present tense of the verb "to be" (They are happy)
Bare - naked, unclothed (He stood there bare)
Bear - a large, furry animal (The bear roared)
Break - to separate or shatter (I broke my leg)
Brake - a device that slows down a vehicle (She applied the brakes)
Buy - to purchase something (I'll buy a new car)
By - next to or near (Stand by the door)
Cell - a small room in a prison or a unit of a living organism (The prisoners were locked in their cells)
Sell - to offer something for sale (He will sell his house)
Dear - beloved, expensive (My dear friend; A dear dress)
Deer - a type of mammal (The deer grazed in the meadow)
Hear - to perceive sound (I can hear the music)
Here - in this place (Come here)
Know - to be aware of (I know her name)
No - the opposite of yes (No, I don't want to go)
Pair - two matching items (A pair of shoes)
Pear - a type of fruit (I ate a pear)
Right - correct, opposite of left (The right answer; Turn right)
Write - to form letters on paper (Write a letter)
See - to use your eyes to observe (I can see the ocean)
Sea - a large body of salt water (We sailed across the sea)
To - towards, in the direction of (Go to the store)
Too - also, excessively (It's too hot)
Two - the number 2 (I have two cats)
There - in that place (Go over there)
Their - belonging to them (Their house is blue)
They're - they are (They're going to the park)
Your - belonging to you (Your car is red)
You're - you are (You're very kind)
These are just a few examples, and there are many more homophones in the English language.