79 entries under replacement topic. ×

30
additional(adjective, place, increase, lower, new)
23
spare(noun, verb, adjective, adverb, support)
22
superfluous(noun, adjective, spare, unreasonable, luxury)
21
surplus(noun, adjective, gain, waste, rest)
20
supplementary(adjective, support, new, spare, excess)
20
further(adjective, adverb, increase, new, spare)
19
auxiliary(noun, adjective, support, part, lower)
18
supernumerary(noun, adjective, spare, extreme, reserve)
17
more(adjective, adverb, increase, new, spare)
16
unused(adjective, clear, waste, spare, reserve)
15
fresh(adjective, increase, new, spare, excess)
14
added(noun, adjective, increase, new, spare)
13
leftover(adjective, waste, split, spare, extreme)
10
free(adjective, open, reserve, busy)
10
new(adjective, increase, spare, excess, further)
10
reserve(noun, adjective, support, lower, spare)
9
supererogatory(adjective, spare, extreme, reserve, useless)
8
another(adjective, place, lower, new, spare)
8
other(adjective, place, increase, lower, new)
6
odd(adjective, spare, reserve, unused)
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APASmart Define. (2016). extra thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>