keen vs bully

keen and bully both are nouns.

Word	Noun	Adjective	Verb	Adverb
keen	Yes	Yes	Yes	No
bully	Yes	Yes	Yes	No

As adjectives, keen and bully are synonyms defined as:

Other synonyms of keen include bang-up, corking, cracking, dandy, great, groovy, neat, nifty, not bad, old, peachy, slap-up, smashing, swell.

keen (noun)	bully (noun)
a funeral lament sung with loud wailing	a cruel and brutal fellow
	a hired thug

keen (adjective)	bully (adjective)
excellent	excellent
intense or sharp
having or demonstrating ability to recognize or draw fine distinctions
having a sharp cutting edge or point
painful as if caused by a sharp instrument

keen (verb)	bully (verb)
express grief verbally	discourage or frighten with threats or a domineering manner; intimidate
	be bossy towards