20
rot(noun, verb, decline, disease, idle)
19
rankle(verb, annoy, irritate, aggravate, inflamed)
16
decay(noun, verb, decline, stall, inflamed)
15
suppurate(verb, irritate, aggravate, inflamed, intensify)
13
decompose(verb, decay, disintegrate, rot, molder)
12
putrefy(verb, decline, idle, stall, inflamed)
11
chafe(verb, annoy, irritate, aggravate, inflamed)
11
gall(verb, annoy, irritate, aggravate, inflamed)
10
ulcer(noun, verb, disease, condition, inflamed)
8
matter(noun, discharge pus)
7
boil(verb, disease, provoke, agitate, stir)
7
canker(verb, disease, inflamed, intensify)
7
ulcerate(verb, inflamed, intensify)
6
abscess
6
maturate(verb, inflamed, intensify)
6
mortify(verb, annoy, irritate, irk, rot)
6
putresce(verb, decay, rot, decompose, molder)
5
irk(verb, annoy, irritate, aggravate, inflamed)
5
molder(stain, decay, disintegrate, uncleanness, rot)
5
smolder(verb, burn, inflamed, intensify, simmer)
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APASmart Define. (2015). Fester thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fester/thesaurus/synonyms
ChicagoSmart Define. 2015. "Fester thesaurus" https://smartdefine.org/fester/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Fester thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fester/thesaurus/synonyms>.
MLASmart Define. "Fester thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/fester/thesaurus/synonyms>