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