already,
all ready

I already finished my homework.

(Already is an adverb telling when.)

Now I’m all ready to shoot some hoops.

(All ready is a phrase meaning “completely ready.”)

ant,
aunt

An ant is an insect.

An aunt is a close relative.

ate,
eight

I ate a bowl of popcorn.

He had eight pieces of licorice.

bare,
bear

She put her bare feet into the cool stream.

She didn’t see the bear fishing on the other side.