corny vs platitudinous

corny and platitudinous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
corny	No	Yes	No	No
platitudinous	No	Yes	No	No

As adjectives, corny and platitudinous are synonyms defined as:

corny and platitudinous: dull and tiresome but with pretensions of significance or originality

Other synonyms of corny include bromidic, platitudinal.

corny (adjective)	platitudinous (adjective)
dull and tiresome but with pretensions of significance or originality	dull and tiresome but with pretensions of significance or originality