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