tart vs comfort woman

tart and comfort woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
tart	Yes	Yes	No	No
comfort woman	Yes	No	No	No

As nouns, comfort woman is a hyponym of tart; that is, comfort woman is a word with a more specific, narrower meaning than tart:

tart: a woman who engages in sexual intercourse for money
comfort woman: a woman forced into prostitution for Japanese servicemen during World War II

tart (noun)	comfort woman (noun)
a small open pie with a fruit filling	a woman forced into prostitution for Japanese servicemen during World War II
a pastry cup with a filling of fruit or custard and no top crust
a woman who engages in sexual intercourse for money

tart (adjective)	comfort woman (adjective)
tasting sour like a lemon
harsh