sit on vs squash

sit on

verb
  • To block, suppress, restrain. 

  • To take no action on; to hold in reserve without actually using. 

  • To hold an official inquiry regarding; to deliberate about. 

  • To be a member of. 

  • Used other than figuratively or idiomatically: see sit, on. 

  • To restrain (a person). 

squash

verb
  • To suppress; to force into submission. 

  • To beat or press into pulp or a flat mass; to crush. 

  • To compress or restrict (oneself) into a small space; to squeeze. 

noun
  • Lagenaria siceraria (syn. Cucurbita verrucosa), calabash, long-neck squash. 

  • A preparation made by placing material on a slide (flat, rectangular piece of glass), covering it and applying pressure. 

  • A sport played in a walled court with a soft rubber ball and bats like tennis racquets. 

  • An extremely one-sided, usually short, match. 

  • Cucurbita argyrosperma (syn. Cucurbita mixta), cushaw squash. 

  • Cucurbita moschata, butternut squash, Barbary squash, China squash. 

  • Cucurbita pepo, most pumpkins, acorn squash, summer squash, zucchini. 

  • The edible or decorative fruit of these plants, or this fruit prepared as a dish. 

  • Cucurbita maxima, including hubbard squash, great winter squash, buttercup squash, and some varieties of pumpkins. 

  • A soft drink made from a fruit-based concentrate diluted with water. 

  • Any other similar-looking plant of other genera. 

  • A place or a situation where people have limited space to move. 

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