fidget vs sit still

fidget

noun
  • A person who fidgets, especially habitually. 

  • A nervous wriggling or twitching motion. 

  • A toy intended to be fidgeted with. 

verb
  • To cause to fidget; to make uneasy. 

  • To wiggle or twitch; to move the body, especially the fingers, around nervously or idly. 

sit still

verb
  • To remain motionless. 

  • To accept, tolerate, or acquiesce. 

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