break away vs separate

break away is not a noun while separate is a noun.

Word	Noun	Adjective	Verb	Adverb
break away	No	No	Yes	No
separate	Yes	Yes	Yes	No

As verbs, separate is a hypernym of break away; that is, separate is a word with a broader meaning than break away:

Other hypernyms of break away include divide, part.

As verbs, separate is a hypernym of break away; that is, separate is a word with a broader meaning than break away:

Other hypernyms of break away include break, break up, part, split, split up.

As verbs, separate is a hypernym of break away; that is, separate is a word with a broader meaning than break away:

Other hypernyms of break away include break, break up, part, split, split up.

break away (noun)	separate (noun)
	a garment that can be purchased separately and worn in combinations with other garments
	a separately printed article that originally appeared in a larger publication

break away (adjective)	separate (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

break away (verb)	separate (verb)
break off (a piece from a whole)	become separated into pieces or fragments
flee; take to one's heels; cut and run	divide into two or more branches so as to form a fork
move away or escape suddenly	arrange or order by classes or categories
withdraw from an organization or communion	mark as different
interrupt a continued activity	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