woman's hat vs toque

woman's hat and toque both are nouns.

Word	Noun	Adjective	Verb	Adverb
woman's hat	Yes	No	No	No
toque	Yes	No	No	No

As nouns, toque is a hyponym of woman's hat; that is, toque is a word with a more specific, narrower meaning than woman's hat:

Other hyponyms of woman's hat include church hat, cloche, picture hat, pillbox, turban.

woman's hat (noun)	toque (noun)
hats for women; the wares sold by a milliner	a small round woman's hat
	a tall white hat with a pouched crown; worn by chefs