platitude vs bromide

platitude and bromide both are nouns.

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

As nouns, platitude and bromide are synonyms defined as:

Other synonyms of platitude include banality, cliche, commonplace.

platitude (noun)	bromide (noun)
a trite or obvious remark	a trite or obvious remark
	any of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs