fop vs beau

fop and beau both are nouns.

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

As nouns, fop and beau are synonyms defined as:

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

fop (noun)	beau (noun)
a man who is much concerned with his dress and appearance	a man who is the lover of a man or woman
	a man who is much concerned with his dress and appearance