10
mildew(noun, stain, decay, mold, affliction)
10
parasite(noun, lump, tumor, mould)
8
moss(noun, vegetable, vegetation)
8
toadstool(noun, vegetable)
7
mushroom(noun, vegetable)
6
blight(noun, disease, stain, plague, mold)
6
fern(noun, vegetable, vegetation)
6
growth(noun, lump, mold, vegetable, tumor)
5
mold(noun, vegetable, mildew)
5
weed(noun, vegetable, vegetation)
5
yeast(noun, agent, leaven)
4
canker(noun, growth, stain, decay, affliction)
3
cancer(noun, growth, lump, bane, tumor)
3
rust(noun, mold, bane, mildew)
3
algae(noun, vegetation)
3
bracken
3
corn
3
decay(noun, stain, mold, affliction, scar)
3
ergot
3
fungal
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APASmart Define. (2015). fungus thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fungus/thesaurus/synonyms
ChicagoSmart Define. 2015. "fungus thesaurus" https://smartdefine.org/fungus/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, fungus thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fungus/thesaurus/synonyms>.
MLASmart Define. "fungus thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/fungus/thesaurus/synonyms>