acme vs peak

acme and peak both are nouns.

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

As nouns, acme and peak are synonyms defined as:

Other synonyms of acme include apex, vertex.

As nouns, acme and peak are synonyms defined as:

acme and peak: the highest level or degree attainable; the highest stage of development

Other synonyms of acme include elevation, height, meridian, pinnacle, summit, superlative, tiptop, top.

acme (noun)	peak (noun)
the highest point (of something)	a brim that projects to the front to shade the eyes
the highest level or degree attainable; the highest stage of development	the top or extreme point of something (usually a mountain or hill)
	the highest point (of something)
	the most extreme possible amount or value
	a V shape
	the highest level or degree attainable; the highest stage of development
	the period of greatest prosperity or productivity

acme (verb)	peak (verb)
	to reach the highest point; attain maximum intensity, activity