gesticulation vs hand movement

gesticulation

noun
  • A gesture; a motion of the body or limbs when speaking, or in representing action or passion, and enforcing arguments and sentiments. 

  • The act of gesticulating, or making gestures to aid expression of thoughts, sentiments or passion. 

hand movement

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