narrow-minded vs petty

narrow-minded is not a noun while petty is a noun.

Word	Noun	Adjective	Verb	Adverb
narrow-minded	No	Yes	No	No
petty	Yes	Yes	No	No

narrow-minded (noun)	petty (noun)
	larceny of property having a value less than some amount (the amount varies by locale)

narrow-minded (adjective)	petty (adjective)
lacking tolerance or flexibility or breadth of view	inferior in rank or status
capable of being shocked	contemptibly narrow in outlook
rigidly adhering to a particular sect or its doctrines	(informal) small and of little importance