Synonyms of the word

ulceration

• n. The development of an ulcer.
• n. An ulcerous condition.

lesion

• n. A wound or injury.
• n. (medicine) An infected or otherwise injured or diseased organ or part, especially such patch of skin.
• n. (biochemistry) Any compound formed from damage to a nucleic acid.
• v. (transitive) To wound or injure, especially in an experiment or other controlled procedure.

ulcer

• n. (pathology) An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and…
• n. (pathology) peptic ulcer.
• n. (figuratively) Anything that festers and corrupts like an open sore; a vice in character.