beau vs fashion plate

beau and fashion plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
beau	Yes	No	No	No
fashion plate	Yes	No	No	No

As nouns, beau and fashion plate are synonyms defined as:

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

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

beau (noun)	fashion plate (noun)
a man who is the lover of a man or woman	a plate illustrating the latest fashion in dress
a man who is much concerned with his dress and appearance	a man who is much concerned with his dress and appearance