Word parts homo- + -onym Pronunciation (UK) IPA (key): /ˈhɒm.əˌnɪm/ (US) IPA (key): /ˈhɑm.əˌnɪm/ Audio (US)(file) Noun Singular homonym Plural homonyms (countable) Homonyms are two words that both sound and are spelled the same as each other. Tree bark and dog barking.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads