First occurrence
First case and first occurrence are semantically related in representative occurrence topic. In some cases you can use "First case" instead a noun phrase "First occurrence".
First case
First occurrence and first case are semantically related in representative occurrence topic. You can use "First occurrence" instead a noun phrase "First case".
Mutual synonyms
Cite this Source
First case and First occurrence. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/first_occurrence/first_case
First occurrence & First case. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/first_occurrence/first_case>.
First case or First occurrence. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/first_occurrence/first_case.
Google Ngram Viewer shows how "first occurrence" and "first case" have occurred on timeline