peak vs eyeshade

peak and eyeshade both are nouns.

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

As nouns, peak and eyeshade are synonyms defined as:

Other synonyms of peak include bill, visor, vizor.

peak (noun)	eyeshade (noun)
a brim that projects to the front to shade the eyes	a brim that projects to the front to shade the eyes
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

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