explain vs stump

explain

verb
  • To make something plain or intelligible. 

  • To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of. 

  • To give a valid excuse for past behavior. 

stump

verb
  • To baffle; to make unable to find an answer to a question or problem. 

  • To stop, confuse, or puzzle. 

  • To get a batsman out stumped. 

  • To bowl down the stumps of (a wicket). 

  • To walk heavily or clumsily, plod, trudge. 

  • To reduce to a stump; to truncate or cut off a part of. 

  • To strike unexpectedly; to stub, as the toe against something fixed. 

  • To travel over (a state, a district, etc.) giving speeches for electioneering purposes. 

  • To campaign. 

noun
  • One of three small wooden posts which together with the bails make the wicket and that the fielding team attempt to hit with the ball. 

  • The remains of something that has been cut off; especially the remains of a tree, the remains of a limb. 

  • A leg. 

  • An artists’ drawing tool made of rolled paper used to smudge or blend marks made with charcoal, Conté crayon, pencil or other drawing media. 

  • A wooden or concrete pole used to support a house. 

  • The place or occasion at which a campaign takes place; the husting. 

  • A place or occasion at which a person harangues or otherwise addresses a group in a manner suggesting political oration. 

  • A pin in a tumbler lock which forms an obstruction to throwing the bolt except when the gates of the tumblers are properly arranged, as by the key. 

  • A pin or projection in a lock to form a guide for a movable piece. 

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