summit vs peak

summit and peak both are nouns.

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

As nouns, summit and peak are synonyms defined as:

summit and peak: the top or extreme point of something (usually a mountain or hill)

Other synonyms of summit include crest, crown, tip, top.

As nouns, summit and peak are synonyms defined as:

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

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

summit (noun)	peak (noun)
a meeting of heads of governments	a brim that projects to the front to shade the eyes
the top or extreme point of something (usually a mountain or hill)	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

summit (verb)	peak (verb)
reach the summit (of a mountain)	to reach the highest point; attain maximum intensity, activity