housekeeper vs domestic help

housekeeper and domestic help both are nouns.

Word	Noun	Adjective	Verb	Adverb
housekeeper	Yes	No	No	No
domestic help	Yes	No	No	No

As nouns, domestic help is a hypernym of housekeeper; that is, domestic help is a word with a broader meaning than housekeeper:

housekeeper: a servant who is employed to perform domestic task in a household
domestic help: a servant who is paid to perform menial tasks around the household

Other hypernyms of housekeeper include domestic, house servant.

housekeeper (noun)	domestic help (noun)
a servant who is employed to perform domestic task in a household	a servant who is paid to perform menial tasks around the household