62 entries under increase topic. ×

22
addition(noun, delay, development, spread)
16
supplement(noun, act, delay, development)
14
extension(noun, spread, extra, addition)
13
adjunct(noun, act, help, delay)
13
appendix(noun, note, delay, development)
11
appendage(noun, delay, development, spread)
11
augmentation(noun, delay, development, spread)
11
extra(noun, addition, accessory, attachment)
7
annex(noun, delay, development, spread)
7
codicil(noun, act, part, measure)
7
increment(noun, extra, addition, supplement)
6
postscript(noun, note, extra, addition)
6
continuation(noun, delay, development, spread)
5
insert(noun, extra, addition, supplement)
4
complement(noun, extra, addition, attachment)
4
rider(noun, act, measure, extra)
4
sequel(noun, extra, addition, additive)
3
enlargement(noun, delay, development, extra)
2
additive(noun, extra, addition, supplement)
2
enhancement(noun, extra, addition, supplement)
11 years ago|9.3k views|share |citing 
APASmart Define. (2015). addendum thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/addendum/thesaurus/synonyms
ChicagoSmart Define. 2015. "addendum thesaurus" https://smartdefine.org/addendum/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, addendum thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/addendum/thesaurus/synonyms>.
MLASmart Define. "addendum thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/addendum/thesaurus/synonyms>