stinging vs edged

stinging is a noun but edged is not a noun.

Word	Noun	Adjective	Verb	Adverb
stinging	Yes	Yes	No	No
edged	No	Yes	No	No

As adjectives, stinging and edged are synonyms defined as:

Other synonyms of stinging include cutting.

stinging (noun)	edged (noun)
a kind of pain; something as sudden and painful as being stung

stinging (adjective)	edged (adjective)
(of speech) harsh or hurtful in tone or character	having a specified kind of border or edge
	having a cutting edge or especially an edge or edges as specified; often used in combination
	(of speech) harsh or hurtful in tone or character