Primary source
Source and primary source are semantically related. In some cases you can use "Source" instead a noun phrase "Primary source".
Source
Source noun - A point or place at which something is invented or provided.
Primary source and source are semantically related. You can use "Primary source" instead a noun "Source".
Mutual synonyms
Cite this Source
Source and Primary source. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/primary_source/source
Primary source & Source. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/primary_source/source>.
Source or Primary source. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/primary_source/source.
Google Ngram Viewer shows how "primary source" and "source" have occurred on timeline