insulation vs insularism

insulation and insularism both are nouns.

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

As nouns, insulation and insularism are synonyms defined as:

Other synonyms of insulation include detachment, insularity.

insulation (noun)	insularism (noun)
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
the state of being isolated or detached
insulating material that reduces or prevents the transmission of heat or sound or electricity