Principals
Sources and principals are semantically related. In some cases you can use "Sources" instead a noun "Principals".
Sources
Principals and sources are semantically related. Sometimes you can use "Principals" instead a noun "Sources".
Mutual synonyms
Cite this Source
Sources and Principals. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/principals/sources
Principals & Sources. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/principals/sources>.
Sources or Principals. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/principals/sources.
Google Ngram Viewer shows how "principals" and "sources" have occurred on timeline