chapeau vs hat

chapeau and hat both are nouns.

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

As nouns, chapeau and hat are synonyms defined as:

chapeau and hat: headdress that protects the head from bad weather; has shaped crown and usually a brim

Other synonyms of chapeau include lid.

chapeau (noun)	hat (noun)
headdress that protects the head from bad weather; has shaped crown and usually a brim	an informal term for a person's role
	headdress that protects the head from bad weather; has shaped crown and usually a brim

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