deck vs patois

deck and patois both are nouns.

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

deck (noun)	patois (noun)
any of various platforms built into a vessel	a regional dialect of a language (especially French); usually considered substandard
street name for a packet of illegal drugs	a characteristic language of a particular group (as among thieves)
a porch that resembles the deck on a ship
a pack of 52 playing cards