-onym- comes from Greek, where it has the meaning “name. ” This meaning is found in such words as: acronym, anonymous, antonym, homonym, onomatopoeia, patronymic, pseudonym, synonym. What words have onym in them? 7 letter words containing onym acronym. synonym. homonym. metonym. antonym. toponym. eponymy. paronym. What is the rootRead More →