Core
Core noun - The central part or aspect of something under consideration.
Usage example: at last, we come to the core of the issue that has been dividing us
Substance is a synonym for core in essence topic. In some cases you can use "Substance" instead a noun "Core", when it comes to topics like matter, subject, center, be. popular alternative
Nearby Words: cored, coring
Substance
Substance noun - The quality or qualities that make a thing what it is.
Usage example: tireless caring and nurturing that was the very substance of maternal love
Core is a synonym for substance in essence topic. You can use "Core" instead a noun "Substance", if it concerns topics such as matter, subject, entity, be. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
- The very core of all civilizations revolves around a substance called Dust which were created eons ago by the Endless, and is used for almost anything.
Source: Standard Sci-Fi Setting - The only thing indicated what this substance is or does is the giant label on the side of the vats: "PURE AWESOME." This stash is so secretive the Core Corps only found out about it by accident.
Source: Fan Fic / Game Over -
Super Serum: Pitch, a black substance used by Core to enhance their personnel to near superhuman levels.
Source: Literature / Tokyo Demons
Cite this Source
Substance and Core. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/core/substance
Core & Substance. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/core/substance>.
Substance or Core. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/core/substance.
Google Ngram Viewer shows how "core" and "substance" have occurred on timeline