acme vs extreme point

acme and extreme point both are nouns.

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

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

Other hypernyms of acme include extreme, extremum.

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