provincial vs insular

provincial is a noun but insular is not a noun.

Word	Noun	Adjective	Verb	Adverb
provincial	Yes	Yes	No	No
insular	No	Yes	No	No

provincial (noun)	insular (noun)
a country person
(Roman Catholic Church) an official in charge of an ecclesiastical province acting under the superior general of a religious order

provincial (adjective)	insular (adjective)
characteristic of the provinces or their people	relating to or characteristic of or situated on an island
of or associated with a province	suggestive of the isolated life of an island
	narrowly restricted in outlook or scope