85 entries under source topic. ×

0
derivation(cause, origin)
0
essentiality(cause, origin)
0
fountain(cause, origin)
0
fountainhead(cause, quick, origin, stem)
0
germ(cause, origin)
0
inception(cause, origin)
0
mainspring(cause, quick, origin, stem)
0
marrow(cause, origin)
0
nub(cause, substance, basis, origin)
0
pith(cause, origin)
0
provenance(cause, origin)
0
provenience(cause, origin)
0
quick(cause, origin, stem)
0
quintessence(cause, origin)
0
radicle(cause, quick, origin, stem)
0
radix(cause, quick, origin, stem)
0
rhizome(cause, quick, origin, stem)
0
seed(cause, origin)
0
soul(cause, origin)
0
starting place(expression, cause, origin)
11 years ago|3k views|share |citing 
APASmart Define. (2015). underpinning thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underpinning thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>.
MLASmart Define. "underpinning thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms>