Deep
Deep noun - The most intense or characteristic phase of something.
Usage example: the kind of cold weather that we usually have only in the deep of winter
Heart and deep are semantically related. in middle topic. In some cases you can use "Heart" instead a noun "Deep", when it comes to topics like depths.
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
How words are described
Both words in one sentence
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Similarly, The Pollyanna has the All Loving Hero's optimism and good heart, but doesn't have the same kind of charisma or deep spiritualism.
Source: All-Loving Hero - His fanfics can range from drop-dead hilarious to deep and heart-wrenching in a half a secondbut not in a bad way.
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Deep down he has a good heart, but since he became a Fallen Hero he acts very much like this to most people.
Source: Video Game / Overwatch
Cite this Source
Heart and Deep. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deep/heart
Deep & Heart. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deep/heart>.
Heart or Deep. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deep/heart.
Google Ngram Viewer shows how "deep" and "heart" have occurred on timeline