stun vs sandbag

stun is not a noun while sandbag is a noun.

Word	Noun	Adjective	Verb	Adverb
stun	No	No	Yes	No
sandbag	Yes	No	Yes	No

As verbs, stun and sandbag are synonyms defined as:

stun (noun)	sandbag (noun)
	a bag filled with sand; used as a weapon or to build walls or as ballast

stun (verb)	sandbag (verb)
make senseless or dizzy by or as if by a blow	protect or strengthen with sandbags; stop up
hit something or somebody as if with a sandbag	downplay one's ability (towards others) in a game in order to deceive, as in gambling
overcome as with astonishment or disbelief	hit something or somebody as if with a sandbag
	treat harshly or unfairly
	compel by coercion, threats, or crude means