Words different in meaning but similar in sound

Homonym
Synonym
Acronym
Antonym

The answer is A. Homonym.

A homonym is a word that has two or more different meanings, but the same pronunciation. For example, the word “bank” can refer to the side of a river or a financial institution.

A synonym is a word that has the same meaning as another word. For example, the words “cat” and “kitty” are synonyms.

An acronym is a word formed from the first letters of other words. For example, the acronym NASA stands for the National Aeronautics and Space Administration.

An antonym is a word that has the opposite meaning of another word. For example, the words “hot” and “cold” are antonyms.

I hope this helps!