fop vs dude

fop and dude both are nouns.

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

As nouns, fop and dude are synonyms defined as:

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

fop (noun)	dude (noun)
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