easement vs step-down

easement and step-down both are nouns.

Word	Noun	Adjective	Verb	Adverb
easement	Yes	No	No	No
step-down	Yes	No	No	No

As nouns, step-down is a hypernym of easement; that is, step-down is a word with a broader meaning than easement:

Other hypernyms of easement include decrease, diminution, reduction.

easement (noun)	step-down (noun)
the act of reducing something unpleasant (as pain or annoyance)	the act of decreasing or reducing something
(law) the privilege of using something that is not your own (as using another's land as a right of way to your own land)