Intumescency and Tumefaction

Intumescency noun - Swelling up with blood or other fluids (as with congestion).

Tumefaction and intumescency are semantically related. In some cases you can use "Tumefaction" instead a noun "Intumescency".

Tumefaction noun - The process of tumefying; the organic process whereby tissue becomes swollen by the accumulation of fluid within it.

Intumescency and tumefaction are semantically related. Sometimes you can replace term "Intumescency" with "Tumefaction", this nouns are similar.