sing-song vs versatile

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. 

versatile

adj
  • Having varied uses or many functions. 

  • Capable of doing many things competently. 

  • Being a switch; capable of taking either a dominant or a submissive role. 

  • Changeable or inconstant. 

  • Capable of taking either a penetrative (top) or receptive (bottom) role in anal sex. 

  • Capable of moving freely in all directions. 

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