laundrywoman vs washerwoman

laundrywoman and washerwoman both are nouns.

Word	Noun	Adjective	Verb	Adverb
laundrywoman	Yes	No	No	No
washerwoman	Yes	No	No	No

As nouns, laundrywoman and washerwoman are synonyms defined as:

Other synonyms of laundrywoman include laundress, washwoman.

laundrywoman (noun)	washerwoman (noun)
a working woman who takes in washing	a working woman who takes in washing