35 entries under noun topic. ×

8
root(cause, base, source, core)
7
stem(cause, quick, source, origin)
5
base(cause, source, origin)
5
origin(cause, source)
4
basis(cause, source, origin)
3
cornerstone
3
floor
3
foundation(cause, source, origin)
3
groundwork(cause, quick, source, origin)
3
infrastructure(cause, quick, source, origin)
2
bag
2
bedrock(cause, quick, source, origin)
2
bottom(cause, quick, source, origin)
2
etymon
2
fundament
2
ground(cause, source, origin)
2
home
1
abode
1
alkali
1
institution
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APASmart Define. (2015). radix thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/radix/thesaurus/synonyms
ChicagoSmart Define. 2015. "radix thesaurus" https://smartdefine.org/radix/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, radix thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/radix/thesaurus/synonyms>.
MLASmart Define. "radix thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/radix/thesaurus/synonyms>