house servant vs slavey

house servant and slavey both are nouns.

Word	Noun	Adjective	Verb	Adverb
house servant	Yes	No	No	No
slavey	Yes	No	No	No

As nouns, slavey is a hyponym of house servant; that is, slavey is a word with a more specific, narrower meaning than house servant:

house servant: a servant who is paid to perform menial tasks around the household
slavey: a female domestic servant who does all kinds of menial work

Other hyponyms of house servant include ayah, home help, housekeeper, amah, housemaid, maid, maidservant, skivvy.

house servant (noun)	slavey (noun)
a servant who is paid to perform menial tasks around the household	a female domestic servant who does all kinds of menial work