laundrywoman vs adult female

laundrywoman and adult female both are nouns.

Word	Noun	Adjective	Verb	Adverb
laundrywoman	Yes	No	No	No
adult female	Yes	No	No	No

As nouns, adult female is a hypernym of laundrywoman; that is, adult female is a word with a broader meaning than laundrywoman:

Other hypernyms of laundrywoman include washer, woman.

laundrywoman (noun)	adult female (noun)
a working woman who takes in washing	an adult female person (as opposed to a man)