strong-arm vs handle

strong-arm is not a noun while handle is a noun.

Word	Noun	Adjective	Verb	Adverb
strong-arm	No	Yes	Yes	No
handle	Yes	No	Yes	No

As verbs, handle is a hypernym of strong-arm; that is, handle is a word with a broader meaning than strong-arm:

Other hypernyms of strong-arm include do by, treat.

strong-arm (noun)	handle (noun)
	the appendage to an object that is designed to be held in order to use or move it

strong-arm (adjective)	handle (adjective)
impelled by physical force especially against resistance

strong-arm (verb)	handle (verb)
use physical force against	act on verbally or in some form of artistic expression
be bossy towards	touch, lift, or hold with the hands
use force against	handle effectively
	show and train
	be in charge of, act on, or dispose of
	interact in a certain way