extreme point vs acme

extreme point and acme both are nouns.

Word	Noun	Adjective	Verb	Adverb
extreme point	Yes	No	No	No
acme	Yes	No	No	No

As nouns, acme is a hyponym of extreme point; that is, acme is a word with a more specific, narrower meaning than extreme point:

Other hyponyms of extreme point include apex, peak, vertex.

extreme point (noun)	acme (noun)
the point located farthest from the middle of something	the highest point (of something)
	the highest level or degree attainable; the highest stage of development