segregate vs insulate

segregate is a noun but insulate is not a noun.

Word	Noun	Adjective	Verb	Adverb
segregate	Yes	No	Yes	No
insulate	No	No	Yes	No

As verbs, insulate is a hypernym of segregate; that is, insulate is a word with a broader meaning than segregate:

segregate: separate or isolate (one thing) from another and place in a group apart from others
insulate: place or set apart

Other hypernyms of segregate include isolate.

segregate (noun)	insulate (noun)
someone who is or has been segregated

segregate (verb)	insulate (verb)
separate or isolate (one thing) from another and place in a group apart from others	place or set apart
divide from the main body or mass and collect	protect from heat, cold, or noise by surrounding with insulating material
separate by race or religion; practice a policy of racial segregation