13 entries under fundamental topic. ×

32
organic(adjective, state, important, significant, natural)
9
basic(adjective, material, important, natural, vital)
7
constitutional(adjective, material, important, natural, basic)
6
architectural
6
constructional
6
skeletal
5
anatomic(adjective, texture)
5
tectonic
4
anatomical(adjective, material, natural, basic)
2
formational
2
formative
1
constructural
1
formalistic
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APASmart Define. (2015). structural thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/structural/thesaurus/synonyms
ChicagoSmart Define. 2015. "structural thesaurus" https://smartdefine.org/structural/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, structural thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/structural/thesaurus/synonyms>.
MLASmart Define. "structural thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/structural/thesaurus/synonyms>