to, two, too

We went to the frozen custard stand.

I got two scoops of custard in a waffle cone.

Carly got custard in a waffle cone, too.
(Too means “also.”)

It turns out, that’s a little too much custard.
(Too means “very” or “extremely.”)

waist, waste

If I eat too much, the food goes to my waist.

If I eat too little, my dinner goes to waste.

wait, weight

We had to wait in line to check our bags.

The attendant checked the weight of each one.

way, weigh