4
lesion(noun, evil, boil, sore, scourge)
4
pest(noun, evil, stain, decay, affliction)
4
rust
4
swelling(noun, disease, wound, eruption, sore)
4
ulceration
4
warp(verb, help, ruin, clean)
3
adulterate
3
alloy
3
cheapen(verb, reduce, destroy, damage, diminish)
3
consume(verb, ruin, destroy, corrupt, disintegrate)
3
damage(noun, verb, reduce, destroy, lower)
3
decay(noun, destroy, irritate, aggravate, stain)
3
demon
3
deteriorate(verb, reduce, destroy, damage, diminish)
3
empoison(verb, phrasal verb, help, deterioration, archaism)
3
erode
3
fungus(growth, stain, decay, affliction, bane)
3
gangrene
3
gnaw
3
inflict(verb, ruin, corrupt, blight)
11 years ago|8.2k views|share |citing 
APASmart Define. (2015). canker thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/canker/thesaurus/synonyms
ChicagoSmart Define. 2015. "canker thesaurus" https://smartdefine.org/canker/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, canker thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/canker/thesaurus/synonyms>.
MLASmart Define. "canker thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/canker/thesaurus/synonyms>