silver bromide vs bromide

silver bromide and bromide both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver bromide	Yes	No	No	No
bromide	Yes	No	No	No

As nouns, bromide is a hypernym of silver bromide; that is, bromide is a word with a broader meaning than silver bromide:

silver bromide: a bromide that darkens when exposed to light; used in making photographic emulsions
bromide: any of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs

silver bromide (noun)	bromide (noun)
a bromide that darkens when exposed to light; used in making photographic emulsions	a trite or obvious remark
	any of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs