stovepipe vs silk hat

stovepipe and silk hat both are nouns.

Word	Noun	Adjective	Verb	Adverb
stovepipe	Yes	No	No	No
silk hat	Yes	No	No	No

As nouns, stovepipe and silk hat are synonyms defined as:

stovepipe and silk hat: a man's hat with a tall crown; usually covered with silk or with beaver fur

Other synonyms of stovepipe include beaver, dress hat, high hat, opera hat, top hat, topper.

stovepipe (noun)	silk hat (noun)
chimney consisting of a metal pipe of large diameter that is used to connect a stove to a flue	a man's hat with a tall crown; usually covered with silk or with beaver fur
a man's hat with a tall crown; usually covered with silk or with beaver fur