27 entries under mainspring topic. ×

8
root(noun, cause, base, source, core)
4
radicle(cause, quick, source, root, origin)
3
rhizome(cause, quick, source, root, origin)
2
center(cause, source, root, origin)
2
core(cause, source, root, origin)
2
quick(cause, source, root, origin, stem)
1
centrality(root, intermediacy)
1
gravamen(root, intermediacy)
1
marrow(cause, source, root, origin)
1
polestar(root, intermediacy)
1
radial point(expression, root, intermediacy)
0
bulls-eye(root, intermediacy)
0
centriole(root, intermediacy)
0
centrum(root, intermediacy)
0
coal and ice(expression, idiom, root, intermediacy)
0
cynosure(root, intermediacy)
0
equidistance(root, intermediacy)
0
heart(cause, source, root, origin)
0
hotbed(root, intermediacy)
0
intermediacy
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APASmart Define. (2015). radix thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/radix/thesaurus/synonyms
ChicagoSmart Define. 2015. "radix thesaurus" https://smartdefine.org/radix/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, radix thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/radix/thesaurus/synonyms>.
MLASmart Define. "radix thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/radix/thesaurus/synonyms>