Homonyms - 1
Homonyms are words which are spelled the same or sound the same but have a different meaning.
Punch and punch are spelled the same, pronounced the same but have different meanings. Punch can mean to hit or an alcoholic drink.
Homophones are words which have the same pronunciation as each other but have different spelling and meanings.
Knew and new are pronounced the same but are spelled differently and have different meaning.