Fifth anniversary
Fifth birthday and fifth anniversary are semantically related. In some cases you can use "Fifth birthday" instead a noun "Fifth anniversary".
Fifth birthday
Fifth anniversary and fifth birthday are semantically related. You can use "Fifth anniversary" instead a noun "Fifth birthday".
Mutual synonyms
Cite this Source
Fifth birthday and Fifth anniversary. (2017). Retrieved 2026, July 31, from https://thesaurus.plus/related/fifth_anniversary/fifth_birthday
Fifth anniversary & Fifth birthday. N.p., 2017. Web. 31 Jul. 2026. <https://thesaurus.plus/related/fifth_anniversary/fifth_birthday>.
Fifth birthday or Fifth anniversary. 2017. Accessed July 31, 2026. https://thesaurus.plus/related/fifth_anniversary/fifth_birthday.
Google Ngram Viewer shows how "fifth anniversary" and "fifth birthday" have occurred on timeline