Heart
Heart noun - The seat of one's deepest thoughts and emotions.
Usage example: deep down in her heart, she knew he was telling the truth
Inside is a synonym for heart in inner part topic. In some cases you can use "Inside" instead the word "Heart" as a noun or an adjective.
Inside
Inside noun - An interior or internal part.
Usage example: the inside of the clock features an amazingly complex mechanism
Heart is a synonym for inside in middle topic. You can use "Heart" instead the word "Inside" as a noun or an adjective, if it concerns topics such as inner part, centre.
Nearby Word: insider
Mutual synonyms
How words are described
Both words in one sentence
- Further, by the end of the game, he also ends up as a heart, inside of Sora's heart.
Source: The Heart -
Raziel eventually gets to watch his past self tear Janos' heart from his body, and later learns that Mortanius used the Heart of Darkness to resurrect Kain...by placing it inside him.
Source: Beat Still, My Heart -
Several things in the comic seem to work like this: Every iteration of a universe fits inside one giant frog that is very large but smaller than a Baby Planet, and the Troll universes were inside of Snowman's heart instead of (or alongside?) a frog.
Source: Bigger on the Inside
Cite this Source
Inside and Heart. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/heart/inside
Heart & Inside. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/heart/inside>.
Inside or Heart. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/heart/inside.
Google Ngram Viewer shows how "heart" and "inside" have occurred on timeline