8
supports(verb, supports, assists)
5
rears(noun, adjective, rears)
5
upholds(verb, supports, assists)
4
behinds(noun, adjective, ends, rears, bottoms)
4
posteriors(noun, adjective, rears)
3
abets(verb, assists)
3
assists(verb, assists)
3
backsides(noun, adjective, rears, bottoms, rumps)
3
endorses
3
sanctions(noun, verb, signs)
3
sponsors(noun, verb, funds, supports)
3
sustains(verb, assists)
2
aids(noun, verb, assists)
2
antes(noun, verb, adverb, forwards)
2
back(verb, phrasal verb)
2
backbones(noun, adjective)
2
backings
2
backwards
2
bolsters(verb, supports)
2
bottoms(noun, rears)
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APASmart Define. (2015). backs thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/backs/thesaurus/synonyms
ChicagoSmart Define. 2015. "backs thesaurus" https://smartdefine.org/backs/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, backs thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/backs/thesaurus/synonyms>.
MLASmart Define. "backs thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/backs/thesaurus/synonyms>