98 entries under heart topic. ×

17
basis(noun, concept, law, action, drop)
13
source(noun, law, support, action, cause)
10
element(noun, feature, law, drop, part)
10
foundation(noun, organization, concept, law, philosophy)
8
base(noun, concept, support, action, part)
8
essence(noun, support, action, feeling, energy)
7
stuff(noun, quality, feeling, character, energy)
7
cause(noun, support, action, feeling, cause)
7
reason(noun, support, action, feeling, plan)
6
matter(noun, drop, part, reason, material)
6
origin(noun, law, cause, rule, reason)
6
soul(noun, quality, character, energy, spirit)
5
core(noun, support, action, quality, character)
5
inspiration(noun, feeling, cause, energy, spirit)
5
mainspring(noun, cause, reason, idea, base)
5
pith(noun, quality, feeling, character, energy)
5
substance(noun, quality, feeling, character, energy)
4
form(noun, nature, law, quality, plan)
4
kernel(noun, quality, character, spirit, idea)
4
marrow(noun, quality, feeling, character, energy)
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APASmart Define. (2015). principle thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/principle/thesaurus/synonyms
ChicagoSmart Define. 2015. "principle thesaurus" https://smartdefine.org/principle/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, principle thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/principle/thesaurus/synonyms>.
MLASmart Define. "principle thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/principle/thesaurus/synonyms>