slew vs peel off

slew is a noun but peel off is not a noun.

Word	Noun	Adjective	Verb	Adverb
slew	Yes	No	Yes	No
peel off	No	No	Yes	No

As verbs, peel off is a hyponym of slew; that is, peel off is a word with a more specific, narrower meaning than slew:

Other hyponyms of slew include yaw.

slew (noun)	peel off (noun)
(often followed by `of') a large number or amount or extent

slew (verb)	peel off (verb)
turn sharply; change direction abruptly	peel off in scales
move obliquely or sideways, usually in an uncontrolled manner	take off, as with some difficulty
	peel off the outer layer of something
	come off in flakes or thin small pieces
	leave a formation