domestic vs maid

domestic and maid both are nouns.

Word	Noun	Adjective	Verb	Adverb
domestic	Yes	Yes	No	No
maid	Yes	No	No	No

As nouns, maid is a hyponym of domestic; that is, maid is a word with a more specific, narrower meaning than domestic:

domestic: a servant who is paid to perform menial tasks around the household
maid: a female domestic

Other hyponyms of domestic include ayah, home help, housekeeper, amah, housemaid, maidservant, skivvy, slavey.

domestic (noun)	maid (noun)
a servant who is paid to perform menial tasks around the household	an unmarried girl (especially a virgin)
	a female domestic

domestic (adjective)	maid (adjective)
of concern to or concerning the internal affairs of a nation
of or involving the home or family
of or relating to the home
produced in a particular country
converted or adapted to domestic use