felt hat vs fedora

felt hat and fedora both are nouns.

Word	Noun	Adjective	Verb	Adverb
felt hat	Yes	No	No	No
fedora	Yes	No	No	No

As nouns, felt hat and fedora are synonyms defined as:

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

felt hat (noun)	fedora (noun)
a hat made of felt with a creased crown	a hat made of felt with a creased crown