humoristic vs tongue-in-cheek

humoristic

adj

  • Pertaining to a humorist or his or her style. 

tongue-in-cheek

adj

  • Not intended seriously; jocular or humorous. 

adv

  • With irony. 

How often have the words humoristic and tongue-in-cheek occurred in a corpus of books? (source: Google Ngram Viewer )