5
cancer(noun, evil, disease, growth, death)
5
ill will(noun, expression, idiom, desire, evil)
5
venomousness(noun, desire, evil, attitude, spite)
4
animosity(noun, dislike, hatred, hate, hostility)
4
bitterness(noun, dislike, hatred, hate, hostility)
4
carcinoma(noun, disease, corruption)
4
cruelty(noun, spite, malice, meanness, nastiness)
4
deadliness(noun, unhealthiness)
4
disease(noun, evil, corruption, tumor, scourge)
4
evil(noun, adjective, spite, malice, warp)
4
hurtfulness(noun, malevolence, spitefulness, maliciousness, venomousness)
4
noxiousness(noun, unhealthiness)
4
poison(noun, substance, death)
4
spleen(noun, dislike, hatred, hate, hostility)
4
toxicity(noun, unhealthiness)
4
tumor(noun, disease, corruption)
3
antagonism(noun, dislike, hatred, hate, hostility)
3
canker(noun, evil, disease, corruption, scourge)
3
contagiousness(noun, unhealthiness)
3
leukemia
10 years ago|5.4k views|share |citing 
APASmart Define. (2016). malignancy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/malignancy/thesaurus/synonyms
ChicagoSmart Define. 2016. "malignancy thesaurus" https://smartdefine.org/malignancy/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, malignancy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/malignancy/thesaurus/synonyms>.
MLASmart Define. "malignancy thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/malignancy/thesaurus/synonyms>