astringe vs smush

astringe

verb
  • To bind by moral or legal obligation. 

smush

verb
  • To engage in intimate contact, especially sexual relations. 

  • to mash; or push; especially to push down or in; compress 

noun
  • A beaten or pulverized mass. 

  • An act of crushing or squeezing. 

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