Pith
Staple
Staple noun - The main or greater part of something as distinguished from its subordinate parts.
Usage example: reading is the very staple of a person's education
Cite this Source
Staple and Pith. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/pith/staple
Pith & Staple. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/pith/staple>.
Staple or Pith. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/pith/staple.
Google Ngram Viewer shows how "pith" and "staple" have occurred on timeline