platitude vs banality

platitude and banality both are nouns.

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

As nouns, platitude and banality are synonyms defined as:

Other synonyms of platitude include bromide, cliche, commonplace.

platitude (noun)	banality (noun)
a trite or obvious remark	a trite or obvious remark