peaked cap vs yachting cap

peaked cap and yachting cap both are nouns.

Word	Noun	Adjective	Verb	Adverb
peaked cap	Yes	No	No	No
yachting cap	Yes	No	No	No

As nouns, peaked cap and yachting cap are synonyms defined as:

Other synonyms of peaked cap include kepi, service cap.

peaked cap (noun)	yachting cap (noun)
a cap with a flat circular top and a visor	a cap with a flat circular top and a visor