intumescent vs tumescent

intumescent and tumescent both are adjectives.

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

As adjectives, intumescent and tumescent are synonyms defined as:

intumescent and tumescent: abnormally distended especially by fluids or gas

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

intumescent (adjective)	tumescent (adjective)
abnormally distended especially by fluids or gas	abnormally distended especially by fluids or gas