high hat vs hat

high hat and hat both are nouns.

Word	Noun	Adjective	Verb	Adverb
high hat	Yes	No	No	No
hat	Yes	No	Yes	No

As nouns, hat is a hypernym of high hat; that is, hat is a word with a broader meaning than high hat:

high hat: a man's hat with a tall crown; usually covered with silk or with beaver fur
hat: headdress that protects the head from bad weather; has shaped crown and usually a brim

Other hypernyms of high hat include chapeau, lid, man's clothing.

high hat (noun)	hat (noun)
cymbals that are operated by a foot pedal	an informal term for a person's role
a man's hat with a tall crown; usually covered with silk or with beaver fur	headdress that protects the head from bad weather; has shaped crown and usually a brim

high hat (verb)	hat (verb)
	put on or wear a hat
	furnish with a hat