sing-song vs tedious

sing-song

adj
  • Like a piece of sing-song; simple and melodic, song-like. 

noun
  • A kind of verse with a simple, song-like rhythm. 

  • An informal gathering involving group singing. 

tedious

adj
  • Boring, monotonous, time-consuming, wearisome. 

How often have the words sing-song and tedious occurred in a corpus of books? (source: Google Ngram Viewer )