pong vs patois

pong and patois both are nouns.

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

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