padlock vs tampon

padlock

verb
  • To lock using a padlock. 

noun
  • A detachable lock that can be used to secure something by means of a sliding or hinged shackle 

tampon

verb
  • To plug (a wound) with a tampon or compress. 

noun
  • A plug of cotton or other absorbent material inserted into a body cavity or wound to absorb fluid, especially one inserted in the vagina during menstruation. 

  • A double-headed drumstick primarily for the bass drum. 

  • An inking pad used in lithographic printing. 

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