cleaning woman vs charwoman

cleaning woman and charwoman both are nouns.

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

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

Other synonyms of cleaning woman include char, cleaning lady.

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