trilby vs hat

trilby and hat both are nouns.

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

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

trilby: a hat made of felt with a creased crown
hat: headdress that protects the head from bad weather; has shaped crown and usually a brim

Other hypernyms of trilby include chapeau, lid.

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

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