575 entries under noun topic. ×

4
keynote(support, action, substance, idea)
4
keystone(support, action, idea, base)
4
matter(organization, good, area, understanding)
4
meaning(quality, understanding, character, strength)
4
medium(adjective, middle)
4
omphalos(center, middle, target)
4
origin(cause, start, base, beginning)
4
pit(verb, stone, nut, seed)
4
polestar(place, emotion, quick, heart)
4
principle(support, action, quality, character)
4
seat(place, cause, start, base)
4
seed(verb, cause, start, base)
4
subject(strength, substance, issue, idea)
4
summary(substance, review, idea, case)
4
tenor(organization, area, strength, burden)
3
aggregate(group, piece, pile, lot)
3
basics(substance, heart, soul, details)
3
bottom(adjective, quality, cause, start)
3
capital(adjective, lead, head, master)
3
centriole(center, middle, target)
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APASmart Define. (2016). core thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/core/thesaurus/synonyms
ChicagoSmart Define. 2016. "core thesaurus" https://smartdefine.org/core/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, core thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/core/thesaurus/synonyms>.
MLASmart Define. "core thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/core/thesaurus/synonyms>