40 entries under supernumerary topic. ×

25
additional(adjective, preposition, place, extraordinary, new)
15
other(noun, adjective, preposition, place, extraordinary)
12
supplementary(adjective, extraordinary, new, spare, fresh)
9
extra(adjective, place, lower, new, spare)
8
second(adjective, counterfeit, spare, near, reserve)
4
substitute(adjective, extra, alternative, other, auxiliary)
4
supplemental(adjective, extraordinary, new, spare, fresh)
3
ancillary(adjective, extraordinary, new, spare, fresh)
3
auxiliary(adjective, extraordinary, new, spare, fresh)
1
alternate(adjective, extra, substitute, alternative, other)
1
acting(extra, auxiliary)
1
near(extra, auxiliary)
1
replacement(adjective, counterfeit, new, near, reserve)
1
reserve(adjective, extraordinary, new, spare, fresh)
0
artificial(extra, auxiliary)
0
backup(extra, substitute, alternative, auxiliary)
0
counterfeit(extra, auxiliary)
0
dummy(extra, auxiliary)
0
ersatz(extra, auxiliary)
0
experimental(extra, auxiliary)
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APASmart Define. (2015). another thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/another/thesaurus/synonyms
ChicagoSmart Define. 2015. "another thesaurus" https://smartdefine.org/another/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, another thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/another/thesaurus/synonyms>.
MLASmart Define. "another thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/another/thesaurus/synonyms>