beau vs dude

beau and dude both are nouns.

Word	Noun	Adjective	Verb	Adverb
beau	Yes	No	No	No
dude	Yes	No	No	No

As nouns, beau and dude are synonyms defined as:

beau and dude: a man who is much concerned with his dress and appearance

Other synonyms of beau include clotheshorse, dandy, fashion plate, fop, gallant, sheik, swell.

beau (noun)	dude (noun)
a man who is the lover of a man or woman	a man who is much concerned with his dress and appearance
a man who is much concerned with his dress and appearance	an informal form of address for a man