64 entries under natural topic. ×

9
basal(adjective, body, simple, plain, material)
8
congenital(adjective, reasonable, basic, fundamental)
8
indwelling(adjective, characteristic, basic, intimate)
8
intimate(adjective, characteristic, basic, fundamental)
6
native(adjective, characteristic, reasonable, common, ordinary)
6
primitive(adjective, body, simple, plain, material)
6
quintessential(adjective, characteristic, important, common, ordinary)
5
individual(adjective, characteristic, basic, private)
5
original(adjective, characteristic, body, simple, plain)
4
characteristic(noun, adjective, feature, quality, reasonable)
4
fixed(adjective, characteristic, individual, basic)
4
indigenous(adjective, characteristic, reasonable, ordinary)
4
intuitive(adjective, reasonable, private, mental)
4
normal(adjective, characteristic, reasonable, common, ordinary)
3
immanent(adjective, characteristic, basic, fundamental)
3
nuclear(adjective, close, body, material, important)
2
instinctive(characteristic, reasonable, ordinary, normal)
2
natal(reasonable, ordinary, usual, normal)
2
typical(adjective, characteristic, reasonable, common, ordinary)
2
usual(adjective, characteristic, reasonable, common, ordinary)
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APASmart Define. (2016). essential thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>