3
cooperation(noun, support, help, benefit, aid)
3
figurehead(noun, deputy)
3
helper(noun, help, aid, informal, associate)
3
pinch hitter(noun, expression, cover, substitute, replacement)
3
provisional(extra, auxiliary, supernumerary)
3
recourse(substitute, replacement, alternative, alternate, surrogate)
3
reinforcement(noun, support, help, praise, benefit)
3
reserves(noun, means, reserve, capital, stockpile)
3
resort(substitute, replacement, alternative, alternate, surrogate)
2
accessory(noun, adjective, support, help, lower)
2
advocacy(noun, support, help, praise, benefit)
2
aide(noun, help, associate, agent, subordinate)
2
alleviation(noun, support, help, benefit, aid)
2
ancillary(adjective, support, spare, inferior, extra)
2
appointee(noun, help, associate, agent, subordinate)
2
associates(noun, staff, following)
2
assuagement
2
attendant(noun, help, aid, associate, subordinate)
2
auspices(support, help, assistance)
2
back up(noun, verb, expression, adjective, phrasal verb)
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APASmart Define. (2015). backup thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/backup/thesaurus/synonyms
ChicagoSmart Define. 2015. "backup thesaurus" https://smartdefine.org/backup/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, backup thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/backup/thesaurus/synonyms>.
MLASmart Define. "backup thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/backup/thesaurus/synonyms>