103 entries under substitute topic. ×

3
exchange(trade, switch, replace, swap)
3
makeshift(replacement, alternative, alternate, backup)
3
relief(reserve, replacement, alternate, stalwart)
3
second
3
succeed(verb, change, follow, alter, restore)
3
supply(verb, change, cover, follow, alter)
2
alter(verb, change, follow, restore, supply)
2
alternative(replacement, alternate, substitution, stand-in)
2
back up(verb, expression, change, cover, follow)
2
equivalent(replacement, alternative, alternate, backup)
2
front for(expression, change, follow, alter, restore)
2
give back(expression, change, follow, alter, restore)
2
outplace(verb, change, follow, alter, restore)
2
pinch-hitter(noun, reserve, replacement, alternate)
2
pinch hit for(expression, idiom, change, follow, alter)
2
put back(expression, change, follow, alter, restore)
2
refund(verb, change, follow, alter, restore)
2
regain(verb, change, follow, alter, restore)
2
representative(agent, replacement, assistant, alternate)
2
retrieve(verb, change, follow, alter, restore)
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APASmart Define. (2016). sub thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sub/thesaurus/synonyms
ChicagoSmart Define. 2016. "sub thesaurus" https://smartdefine.org/sub/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sub thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sub/thesaurus/synonyms>.
MLASmart Define. "sub thesaurus" 18 February 2016. Web. 23 September 2026. <https://smartdefine.org/sub/thesaurus/synonyms>