headscarf vs khimar

headscarf and khimar both are nouns.

Word	Noun	Adjective	Verb	Adverb
headscarf	Yes	No	No	No
khimar	Yes	No	No	No

As nouns, khimar is a hyponym of headscarf; that is, khimar is a word with a more specific, narrower meaning than headscarf:

headscarf: a kerchief worn over the head and tied under the chin
khimar: a headscarf worn by observant Muslim women that hangs down to just above the waist

Other hyponyms of headscarf include babushka, hijab.

headscarf (noun)	khimar (noun)
a kerchief worn over the head and tied under the chin	a headscarf worn by observant Muslim women that hangs down to just above the waist