morbid protuberance or growth
1excrescence — n. 1. Wart, tumor, morbid protuberance or growth. 2. Superfluity, useless outgrowth, deforming attachment or appendage …
2tumor — Synonyms and related words: abscess, ague, anemia, ankylosis, anoxia, apnea, asphyxiation, asthma, ataxia, atrophy, backache, benign tumor, bleeding, blennorhea, boil, bump, bunion, cachexia, cachexy, callosity, callus, cancer, carbuncle,… …