Answer:
- Acronym - <em>an abbreviation formed from the initial letters of other words and pronounced as a word </em>
- Synonym - <em>a word or phrase that means exactly or nearly the same as another word or phrase</em>
- Antonym - <em>a word opposite in meaning to another</em>
- Eponym - <em>a person, place, or thing after whom or after which something is named, or believed to be named</em>
- Homonym - <em>each of two or more words having the same spelling or pronunciation but different meanings and origins</em>
- Onymous - <em>bearing a name</em>
Explanation:
the root -nym is derived from the greek word onoma, meaning <em>name</em> or <em>word</em>. while i am unsure of the examples that were given to you, i hope some of the ones i listed are usuable !!