hackney carriage vs equipage

hackney carriage and equipage both are nouns.

Word	Noun	Adjective	Verb	Adverb
hackney carriage	Yes	No	No	No
equipage	Yes	No	No	No

As nouns, equipage is a hypernym of hackney carriage; that is, equipage is a word with a broader meaning than hackney carriage:

Other hypernyms of hackney carriage include carriage, rig.

hackney carriage (noun)	equipage (noun)
a carriage for hire	a vehicle with wheels drawn by one or more horses
	equipment and supplies of a military force