Waste or Waist?

"Waste" /weɪst/ or "waist" /weɪst/ ? Oh dear .....

In our last class, we talked about words in English that have similar sounds:
homophones /ˈhɒm.ə.fəʊnz/.

One of the words we wanted to use was "waste (v.)". Or was it "waist (n.)"?

These examples might help us to remember the difference in meaning as well as to visualize the correct spelling of the word we want.

1) He hated to waste food so he always ate everything. This meant, however, that his waist got bigger and bigger.

2) She wasted so much time thinking about her waist that her friends started making jokes about her.

Your turn.
What other homophones do you know in English?
And what tricks do you use to help you remember the meanings of similar-sounding words?