Core
Core noun - The seat of one's deepest thoughts and emotions.
Usage example: in my very core I knew that an injustice was being committed
Heart is a synonym for core in position topic. In some cases you can use "Heart" instead the word "Core" as a noun or an adjective, when it comes to topics like essence, subject, center, inner part. popular alternative
Nearby Words: cored, coring
Heart
Heart noun - A thing or place that is of greatest importance to an activity or interest.
Usage example: the heart of the village economy was the outdoor market
Core is a synonym for heart in essence topic. You can use "Core" instead the word "Heart" as a noun or an adjective, if it concerns topics such as centre, root, position, subject. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
- Heart — Generally, it's almost always the core component of the soul (hence the name; sometimes it's even what's meant with "soul", with the greater whole being called "spirit" instead), and also the one that is capable of love and emotion.
Source: Anatomy of the Soul -
This is after you kill a ton of Jerkass Gods, a giant army of Eldritch Abominations, with a bigger one behind that whose heart happens to be the planet's core.
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In Neon Exodus Evangelion: Apotheosis Now, Lucifer does this to the Artificial Human Matthieu, but instead of a heart, he pulls out a sphere like an Angel's core.
Source: Beat Still, My Heart
Cite this Source
Heart and Core. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/core/heart
Core & Heart. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/core/heart>.
Heart or Core. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/core/heart.
Google Ngram Viewer shows how "core" and "heart" have occurred on timeline