55 entries under further topic. ×

12
extra(noun, adjective, adverb, spare, advantage)
11
surplus(noun, adjective, extraordinary, material, new)
10
and(preposition, conjunction, still, addition)
9
additional(adjective, extraordinary, new, spare, fresh)
9
more(adverb, extraordinary, new, spare, fresh)
8
supplementary(adjective, preposition, bar, extraordinary, new)
7
besides(adverb, bar, save, still, addition)
6
as well(expression, adverb, still, addition)
5
beyond(adjective, adverb, bar, extraordinary, new)
5
over and above(verb, expression, idiom, adverb, phrasal verb)
5
together with(verb, expression, phrasal verb, preposition, still)
4
added(adjective, extraordinary, new, spare, fresh)
4
as well as(verb, expression, idiom, phrasal verb, conjunction)
4
in conjunction with(verb, expression, idiom, phrasal verb, still)
3
along with(expression, conjunction, still, more)
3
on top of(verb, expression, idiom, adverb, phrasal verb)
3
perk(noun, adjective, benefit, extraordinary, prize)
3
supplemental(adjective, extraordinary, new, spare, fresh)
3
tip(noun, adjective, benefit, extraordinary, prize)
3
to boot(adverb, still, also, more)
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APASmart Define. (2015). plus thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plus/thesaurus/synonyms
ChicagoSmart Define. 2015. "plus thesaurus" https://smartdefine.org/plus/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, plus thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plus/thesaurus/synonyms>.
MLASmart Define. "plus thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/plus/thesaurus/synonyms>