frivolous vs moral

frivolous

adj
  • Having no reasonable prospect of success because its claim is without merit, lacking a supporting legal or factual basis, while the filing party is, or should be, aware of this. 

  • Of little weight or importance; not worth notice; slight; trivial. 

  • Silly, especially at an inappropriate time or in an inappropriate manner. 

moral

verb
  • To moralize. 

adj
  • Probable but not proved. 

  • Of or relating to principles of right and wrong in behaviour, especially for teaching right behaviour. 

  • Conforming to a standard of right behaviour; sanctioned by or operative on one's conscience or ethical judgment. 

  • Capable of right and wrong action. 

  • Positively affecting the mind, confidence, or will. 

noun
  • Moral practices or teachings: modes of conduct. 

  • The ethical significance or practical lesson. 

How often have the words frivolous and moral occurred in a corpus of books? (source: Google Ngram Viewer )