plumb vs patois

plumb and patois both are nouns.

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

plumb (noun)	patois (noun)
the metal bob of a plumb line	a regional dialect of a language (especially French); usually considered substandard
	a characteristic language of a particular group (as among thieves)

plumb (adjective)	patois (adjective)
exactly vertical

plumb (verb)	patois (verb)
adjust with a plumb line so as to make vertical
measure the depth of something
examine thoroughly and in great depth
weight with lead

plumb (adverb)	patois (adverb)
conforming to the direction of a plumb line
exactly
completely; used as intensifiers