45 entries under decline topic. ×

16
rot(noun, collapse, condition, deterioration)
14
decay(noun, collapse, condition, down)
13
decomposition(noun, collapse, condition, deterioration)
9
disintegration(noun, collapse, condition, deterioration)
7
deterioration(noun, collapse, condition, deterioration)
7
mortification(noun, collapse, deterioration, decay)
7
rotting(noun, collapse, deterioration, decay)
6
adulteration(noun, collapse, deterioration, pollution)
6
degeneracy(noun, collapse, deterioration, decay)
6
degeneration(noun, collapse, deterioration, decay)
5
gangrene(noun, collapse, deterioration, decay)
5
putridity(noun, waste, collapse, deterioration)
4
atrophy(noun, collapse, deterioration, decay)
4
dissolution(noun, collapse, deterioration, decay)
3
blight(noun, collapse, deterioration, decay)
3
caries(noun, collapse, deterioration, decay)
3
corrosion(noun, collapse, deterioration, decay)
3
decadence(noun, collapse, deterioration, decay)
3
dilapidation(noun, collapse, deterioration, decay)
3
ruin(noun, collapse, deterioration, decay)
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APASmart Define. (2015). putrefaction thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/putrefaction/thesaurus/synonyms
ChicagoSmart Define. 2015. "putrefaction thesaurus" https://smartdefine.org/putrefaction/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, putrefaction thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/putrefaction/thesaurus/synonyms>.
MLASmart Define. "putrefaction thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/putrefaction/thesaurus/synonyms>