28 entries under extra topic. ×

17
addendum(noun, increase, note, addition)
17
sequel(noun, increase, line, conclusion)
16
supplement(noun, increase, line, addition)
16
appendix(noun, end, increase, note)
15
addition(noun, increase, supplement, additive)
14
codicil(noun, part, increase, addition)
11
continuation(noun, increase, line, addition)
8
appendage(noun, end, increase, addition)
8
complement(noun, increase, addition, additive)
7
rider(noun, increase, addition, supplement)
3
adjunct(noun, increase, addition, supplement)
2
add-on(noun, increase, addition, supplement)
2
annex(noun, increase, addition)
1
extension(noun, increase, line, addition)
1
insert(noun, increase, addition, additive)
0
added feature(noun, expression, increase, addition)
0
additive(noun, increase, addition)
0
bells and whistles(noun, expression, idiom, increase)
0
enhancement(noun, increase, addition)
0
increase(noun, line, addition, extension)
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APASmart Define. (2015). postscript thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/postscript/thesaurus/synonyms
ChicagoSmart Define. 2015. "postscript thesaurus" https://smartdefine.org/postscript/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, postscript thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/postscript/thesaurus/synonyms>.
MLASmart Define. "postscript thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/postscript/thesaurus/synonyms>