cleaning lady vs cleaning woman

cleaning lady and cleaning woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
cleaning lady	Yes	No	No	No
cleaning woman	Yes	No	No	No

As nouns, cleaning lady and cleaning woman are synonyms defined as:

cleaning lady and cleaning woman: a human female employed to do housework

Other synonyms of cleaning lady include char, charwoman.

cleaning lady (noun)	cleaning woman (noun)
a human female employed to do housework	a human female employed to do housework