87 entries under extra topic. ×

2
additional(adjective, spare, reserve, replacement)
2
spare(adjective, new, reserve, replacement)
2
surplus(adjective, reserve, replacement, added)
1
odd(adjective, reserve, replacement, unused)
1
other(new, substitute, replacement, opportunity)
1
supplementary(adjective, new, added)
0
addition(noun, increase, enlargement, something)
0
adjunct(noun, increase, addition, supplement)
0
appendage(noun, increase, addition, supplement)
0
accession(noun, supplement, appendage, add-on)
0
accessory(noun, supplement, appendage, add-on)
0
accrual(noun, supplement, appendage, add-on)
0
add-on(noun, increase, addition, supplement)
0
added
0
added feature(noun, expression, increase, addition)
0
addendum(noun, increase, addition, supplement)
0
additive(noun, increase, addition, supplement)
0
affixed(new, added)
0
aggrandizement(noun, supplement, appendage, add-on)
0
annex(noun, increase, addition, supplement)
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APASmart Define. (2016). option thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/option/thesaurus/synonyms
ChicagoSmart Define. 2016. "option thesaurus" https://smartdefine.org/option/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, option thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/option/thesaurus/synonyms>.
MLASmart Define. "option thesaurus" 9 March 2016. Web. 21 September 2026. <https://smartdefine.org/option/thesaurus/synonyms>