Original cause
Primary source and original cause are semantically related in source topic. In some cases you can use "Primary source" instead a noun "Original cause".
Primary source
Original cause and primary source are semantically related in source topic. You can use "Original cause" instead a noun phrase "Primary source".
Mutual synonyms
Cite this Source
Primary source and Original cause. (2017). Retrieved 2026, August 01, from https://thesaurus.plus/related/original_cause/primary_source
Original cause & Primary source. N.p., 2017. Web. 01 Aug. 2026. <https://thesaurus.plus/related/original_cause/primary_source>.
Primary source or Original cause. 2017. Accessed August 01, 2026. https://thesaurus.plus/related/original_cause/primary_source.
Google Ngram Viewer shows how "original cause" and "primary source" have occurred on timeline