Here are 3 homonyms with their different meanings:
1. Sail - to travel on water in a boat that has sails OR the large triangular piece of fabric on a sailboat used to catch the wind.
2. Sea - the salt water ocean OR SEE.
3. Right - correct OR the opposite of left.
Homonyms can cause confusion if you mix up their meanings! It's important to understand the context of the sentence to know which homonym is being used.