Yes, there is a difference. A cliche is an overused expression or idea, while a platitude is a trite or meaningless statement, often given as advice. While cliches are generally phrases that have lost their originality due to constant use, platitudes are often seen as superficial or lacking in depth.
Banality, commonplace, platitude, saying, adage...
everyday, common, ordinary, widespread, mundane, banal, run-of-the-mill, humdrum, cliche, platitude
Several words come to mind for cliche as a noun: bromide, chestnut, platitude, banality, adage, old saw.
A cliche used to be an original figurative expression, but it is so overused that it is no longer creative. An original figurative expression is a unique phrase that is like a simile or metaphor.
The platitude of the music had no type of beat or sound.
Beauty, I suppose, opens the heart, extends the consciousness. It is a platitude, of course.
platitude, altitude - I think!
An idiom is a group of words whose meaning is different from the individual words, often unique to a particular language or culture. A cliche is an overused phrase or expression that has lost originality or impact.
The plural of cliche is cliches.
To mouth a platitude means for someone to say a remark or statement, especially one with a moral content, that has been used too often to be interesting or thoughtful.
Lucien Cliche was born in 1916.
Lucien Cliche died in 2005.