1. Soul and sole sounds similar like how mail and male sound alike. They are homophones.
2. A doctor works at a hospital while a vendor works at a market.
3. A secretary uses computer for managing files at the office while a gardener uses a rake for gardening.
4. Scissors is used to cut stuff while a broom is used to sweep off dirt and dust.
5. The antonym of tall is short while the antonym of pretty is ugly.
6. When you study, you get high grades. When there is a typhoon, it causes floods to happen.
7. A bird flies while a fish swims.