tweed vs gabardine

tweed and gabardine both are nouns.

Word	Noun	Adjective	Verb	Adverb
tweed	Yes	No	No	No
gabardine	Yes	No	No	No

As nouns, tweed and gabardine are synonyms defined as:

tweed and gabardine: (usually in the plural) trousers made of flannel or gabardine or tweed or white cloth

Other synonyms of tweed include flannel, white.

tweed (noun)	gabardine (noun)
thick woolen fabric used for clothing; originated in Scotland	a firm durable fabric with a twill weave
(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth	a loose coverall (coat or frock) reaching down to the ankles
	(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth