100 entries under noun topic. ×

12
appendix(part, increase, extra, addition)
12
postscript(part, increase, extra, addition)
10
supplement(act, part, increase, measure)
9
addition(part, increase, extra, qualification)
8
addendum(act, part, increase, measure)
8
rider(act, part, increase, measure)
6
sequel(increase, extra, addition, additive)
4
afterthought(addition, supplement, sequel)
4
appendage(increase, extra, addition, supplement)
4
clause(act, measure, condition, qualification)
4
continuation(increase, extra, addition, additive)
4
testament
3
adjunct(act, increase, measure, extra)
3
annex(increase, extra, addition)
3
coda
3
condition(condition, limitation, requirement)
3
consequence
3
epilogue
3
follow-up
3
postlude
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APASmart Define. (2015). codicil thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/codicil/thesaurus/synonyms
ChicagoSmart Define. 2015. "codicil thesaurus" https://smartdefine.org/codicil/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, codicil thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/codicil/thesaurus/synonyms>.
MLASmart Define. "codicil thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/codicil/thesaurus/synonyms>