105 entries under support topic. ×

25
source(noun, action, person, cause)
15
base(noun, verb, organization, form)
15
basis(noun, action, drop, part)
15
cause(noun, action, person, cause)
12
core(noun, action, place, quality)
12
foundation(noun, organization, body, cause)
10
essence(noun, action, place, cause)
10
establish(verb, place, set, fix)
10
heart(noun, action, place, part)
9
seat(noun, place, cause, reason)
8
footing(noun, organization, action, cause)
8
antecedent(noun, action, cause, reason)
8
bottom(noun, verb, adjective, quality)
8
cheer(verb, honor, praise, encourage)
7
found(verb, form, fix, start)
7
ground(noun, verb, form, cause)
7
groundwork(noun, cause, rest, base)
7
infrastructure(noun, organization, action, cause)
7
nucleus(noun, action, place, quality)
7
reason(noun, action, cause, substance)
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APASmart Define. (2016). root thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/root/thesaurus/synonyms
ChicagoSmart Define. 2016. "root thesaurus" https://smartdefine.org/root/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, root thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/root/thesaurus/synonyms>.
MLASmart Define. "root thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/root/thesaurus/synonyms>