dude vs fop

dude and fop both are nouns.

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

As nouns, dude and fop are synonyms defined as:

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

dude (noun)	fop (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