babushka vs headscarf

babushka and headscarf both are nouns.

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

As nouns, headscarf is a hypernym of babushka; that is, headscarf is a word with a broader meaning than babushka:

babushka: a woman's headscarf folded into a triangle and tied under the chin; worn by Russian peasant women
headscarf: a kerchief worn over the head and tied under the chin

babushka (noun)	headscarf (noun)
a woman's headscarf folded into a triangle and tied under the chin; worn by Russian peasant women	a kerchief worn over the head and tied under the chin