homburg vs trilby

homburg and trilby both are nouns.

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

As nouns, homburg and trilby are synonyms defined as:

Other synonyms of homburg include fedora, felt hat, Stetson.

homburg (noun)	trilby (noun)
a hat made of felt with a creased crown	a hat made of felt with a creased crown