cardigan vs weightlifting

cardigan

noun
  • A type of sweater or jumper that fastens up the front with buttons or a zipper, usually machine- or hand-knitted from wool. 

weightlifting

noun
  • A form of exercise in which weights are lifted. 

  • A sport in which competitors lift heavy weights in two events: the snatch and the clean and jerk. 

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