coxcomb vs sheik

coxcomb and sheik both are nouns.

Word	Noun	Adjective	Verb	Adverb
coxcomb	Yes	No	No	No
sheik	Yes	No	No	No

As nouns, sheik is a hypernym of coxcomb; that is, sheik is a word with a broader meaning than coxcomb:

coxcomb: a conceited dandy who is overly impressed by his own accomplishments
sheik: a man who is much concerned with his dress and appearance

Other hypernyms of coxcomb include beau, clotheshorse, dandy, dude, fashion plate, fop, gallant, swell.

coxcomb (noun)	sheik (noun)
the fleshy red crest on the head of the domestic fowl and other gallinaceous birds	the leader of an Arab village or family
a cap worn by court jesters; adorned with a strip of red	a man who is much concerned with his dress and appearance
a conceited dandy who is overly impressed by his own accomplishments