peak vs acme

peak and acme both are nouns.

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

As nouns, peak and acme are synonyms defined as:

Other synonyms of peak include apex, vertex.

As nouns, peak and acme are synonyms defined as:

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

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

peak (noun)	acme (noun)
a brim that projects to the front to shade the eyes	the highest point (of something)
the top or extreme point of something (usually a mountain or hill)	the highest level or degree attainable; the highest stage of development
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

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