swollen vs tumescent

swollen and tumescent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
swollen	No	Yes	No	No
tumescent	No	Yes	No	No

As adjectives, swollen and tumescent are synonyms defined as:

Other synonyms of swollen include bloated, distended, intumescent, puffy, tumid, turgid.

swollen (adjective)	tumescent (adjective)
characteristic of false pride; having an exaggerated sense of self-importance	abnormally distended especially by fluids or gas
abnormally distended especially by fluids or gas