roof peak vs acme

roof peak and acme both are nouns.

Word	Noun	Adjective	Verb	Adverb
roof peak	Yes	No	No	No
acme	Yes	No	No	No

As nouns, acme is a hypernym of roof peak; that is, acme is a word with a broader meaning than roof peak:

Other hypernyms of roof peak include apex, peak, vertex.

roof peak (noun)	acme (noun)
the highest point of a roof	the highest point (of something)
	the highest level or degree attainable; the highest stage of development