looking vs rubbernecking

looking

noun
  • The act of one who looks; a glance. 

verb
  • as the last part of compound adjectives: relating to or having the appearance of. 

  • dorky-looking 

rubbernecking

noun
  • Generally, any act of observation in a manner considered unduly overt or otherwise unseemly. 

  • The act of slowing down whilst driving a vehicle, in order to see the scene of an accident. 

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