First born
Firstling and first born are semantically related. In some cases you can use "Firstling" instead a noun phrase "First born".
Firstling
First born and firstling are semantically related. Sometimes you can replace phrase "First born" with "Firstling", this terms are similar.
Mutual synonyms
Cite this Source
Firstling and First born. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/first_born/firstling
First born & Firstling. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/first_born/firstling>.
Firstling or First born. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/first_born/firstling.
Google Ngram Viewer shows how "first born" and "firstling" have occurred on timeline