parlourmaid vs maidservant

parlourmaid and maidservant both are nouns.

Word	Noun	Adjective	Verb	Adverb
parlourmaid	Yes	No	No	No
maidservant	Yes	No	No	No

As nouns, maidservant is a hypernym of parlourmaid; that is, maidservant is a word with a broader meaning than parlourmaid:

parlourmaid: a maid in a private home whose duties are to care for the parlor and the table and to answer the door
maidservant: a female domestic

Other hypernyms of parlourmaid include amah, housemaid, maid.

parlourmaid (noun)	maidservant (noun)
a maid in a private home whose duties are to care for the parlor and the table and to answer the door	a female domestic