insularity vs insulation

insularity and insulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
insularity	Yes	No	No	No
insulation	Yes	No	No	No

As nouns, insularity and insulation are synonyms defined as:

Other synonyms of insularity include detachment, insularism.

insularity (noun)	insulation (noun)
the state of being isolated or detached	the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
	the state of being isolated or detached
	insulating material that reduces or prevents the transmission of heat or sound or electricity