bully vs strong-arm

bully is a noun but strong-arm is not a noun.

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

As verbs, bully and strong-arm are synonyms defined as:

Other synonyms of bully include ballyrag, boss around, browbeat, bullyrag, hector, push around.

bully (noun)	strong-arm (noun)
a cruel and brutal fellow
a hired thug

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

bully (verb)	strong-arm (verb)
discourage or frighten with threats or a domineering manner; intimidate	use physical force against
be bossy towards	be bossy towards
	use force against