bully vs tough

bully and tough both are nouns.

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

As nouns, bully and tough are synonyms defined as:

Other synonyms of bully include hooligan, roughneck, rowdy, ruffian, yob, yobbo, yobo.

As nouns, tough is a hypernym of bully; that is, tough is a word with a broader meaning than bully:

Other hypernyms of bully include goon, hood, hoodlum, punk, strong-armer, thug, toughie.

bully (noun)	tough (noun)
a cruel and brutal fellow	an aggressive and violent young criminal
a hired thug	a cruel and brutal fellow
	someone who learned to fight in the streets rather than being formally trained in the sport of boxing

bully (adjective)	tough (adjective)
excellent	resistant to cutting or chewing
	physically toughened
	not given to gentleness or sentimentality
	unfortunate or hard to bear
	substantially made or constructed
	feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
	violent and lawless
	very difficult; severely testing stamina or resolution
	making great mental demands; hard to comprehend or solve or believe

bully (verb)	tough (verb)
discourage or frighten with threats or a domineering manner; intimidate
be bossy towards