watchband vs bracelet

watchband and bracelet both are nouns.

Word	Noun	Adjective	Verb	Adverb
watchband	Yes	No	No	No
bracelet	Yes	No	No	No

As nouns, watchband and bracelet are synonyms defined as:

watchband and bracelet: a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist

Other synonyms of watchband include watch bracelet, watchstrap, wristband.

watchband (noun)	bracelet (noun)
a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist	jewelry worn around the wrist for decoration
	a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist