washerwoman vs laundrywoman

washerwoman and laundrywoman both are nouns.

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

As nouns, washerwoman and laundrywoman are synonyms defined as:

Other synonyms of washerwoman include laundress, washwoman.

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