hop on vs mount

hop on

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

  • To begin playing a video game. 

  • To join a phone call or video call. 

mount

verb
  • To get upon; to ascend; to climb. 

  • To cause to mount; to put on horseback; to furnish with animals for riding. 

  • To attach (a drive or device) to the file system in order to make it available to the operating system. 

  • To get on top of (another) for the purpose of copulation. 

  • To attach (an object) to a support, backing, framework etc. 

  • To sit on a combatants torso with the face pointing towards the opponent's head; to assume the mount position in ground grappling. 

  • To increase in quantity or intensity. 

  • To have sexual intercourse with someone. 

  • To begin (a campaign, military assault, etc.); to launch. 

  • To place oneself on (a horse, a bicycle, etc.); to bestride. 

  • To prepare and arrange the scenery, furniture, etc. for use in (a play or production). 

  • To incorporate fat, especially butter, into (a dish, especially a sauce to finish it). 

noun
  • A mounting; an object on which another object is mounted. 

  • An animal, usually a horse, used to ride on (unlike a draught horse). 

  • A hill or mountain. 

  • A car, bicycle, or motorcycle used for racing. 

  • A step or block to assist in mounting a horse. 

  • A signal for mounting a horse. 

  • A dominant ground grappling position, where one combatant sits on the other combatants torso with the face pointing towards the opponent's head. 

  • A green hillock in the base of a shield. 

  • Any of seven fleshy prominences in the palm of the hand, taken to represent the influences of various heavenly bodies. 

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