patois vs runty

patois is a noun but runty is not a noun.

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

patois (noun)	runty (noun)
a regional dialect of a language (especially French); usually considered substandard
a characteristic language of a particular group (as among thieves)

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