slang vs runty

slang is a noun but runty is not a noun.

Word	Noun	Adjective	Verb	Adverb
slang	Yes	No	Yes	No
runty	No	Yes	No	No

slang (noun)	runty (noun)
a characteristic language of a particular group (as among thieves)
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar

slang (adjective)	runty (adjective)
	well below average height
	(used especially of persons) of inferior size