chambermaid vs amah

chambermaid and amah both are nouns.

Word	Noun	Adjective	Verb	Adverb
chambermaid	Yes	No	No	No
amah	Yes	No	No	No

As nouns, amah is a hypernym of chambermaid; that is, amah is a word with a broader meaning than chambermaid:

chambermaid: a maid who is employed to clean and care for bedrooms (now primarily in hotels)
amah: a female domestic

Other hypernyms of chambermaid include housemaid, maid, maidservant.

chambermaid (noun)	amah (noun)
a maid who is employed to clean and care for bedrooms (now primarily in hotels)	a female domestic
	a woman hired to suckle a child of someone else