separate vs segregate

separate and segregate both are nouns.

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

As verbs, segregate is a hyponym of separate; that is, segregate is a word with a more specific, narrower meaning than separate:

As verbs, segregate is a hyponym of separate; that is, segregate is a word with a more specific, narrower meaning than separate:

separate: treat differently on the basis of sex or race
segregate: separate by race or religion; practice a policy of racial segregation

Other hyponyms of separate include insulate, isolate, hive off, redline, disadvantage, disfavor, disfavour.

separate (noun)	segregate (noun)
a garment that can be purchased separately and worn in combinations with other garments	someone who is or has been segregated
a separately printed article that originally appeared in a larger publication

separate (adjective)	segregate (adjective)
independent; not united or joint
standing apart; not attached to or supported by anything
separated according to race, sex, class, or religion
have the connection undone; having become separate

separate (verb)	segregate (verb)
become separated into pieces or fragments	separate or isolate (one thing) from another and place in a group apart from others
divide into two or more branches so as to form a fork	divide from the main body or mass and collect
arrange or order by classes or categories	separate by race or religion; practice a policy of racial segregation
mark as different
move or break apart
force, take, or pull apart
divide into components or constituents
go one's own way; move apart
make a division or separation
treat differently on the basis of sex or race
separate into parts or portions
discontinue an association or relation; go different ways
act as a barrier between; stand between