domestic help vs ayah

domestic help and ayah both are nouns.

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

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

domestic help: a servant who is paid to perform menial tasks around the household
ayah: (in India) a native nursemaid who looks after children

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

domestic help (noun)	ayah (noun)
a servant who is paid to perform menial tasks around the household	(in India) a native nursemaid who looks after children