putrid vs putrescence

putrid is not a noun while putrescence is a noun.

Word	Noun	Adjective	Verb	Adverb
putrid	No	Yes	No	No
putrescence	Yes	No	No	No

putrid (noun)	putrescence (noun)
	the quality of rotting and becoming putrid
	in a state of progressive putrefaction

putrid (adjective)	putrescence (adjective)
of or relating to or attended by putrefaction
morally corrupt or evil
in an advanced state of decomposition and having a foul odor