curb vs founder

curb

noun
  • A swelling on the back part of the hind leg of a horse, just behind the lowest part of the hock joint, generally causing lameness. 

  • Something that checks or restrains; a restraint. 

  • A concrete margin along the edge of a road; a kerb (UK, Australia, New Zealand) 

  • A riding or driving bit for a horse that has rein action which amplifies the pressure in the mouth by leverage advantage placing pressure on the poll via the crown piece of the bridle and chin groove via a curb chain. 

  • A sidewalk, covered or partially enclosed, bordering the airport terminal road system with adjacent paved areas to permit vehicles to off-load or load passengers. 

  • A raised margin along the edge of something, such as a well or the eye of a dome, as a strengthening. 

verb
  • To rein in. 

  • To bend or curve. 

  • To furnish with a curb, as a well; to restrain by a curb, as a bank of earth. 

  • To crouch; to cringe. 

  • To damage vehicle wheels or tires by running into or over a pavement curb. 

  • To check, restrain or control. 

  • To bring to a stop beside a curb. 

founder

noun
  • A severe laminitis of a horse, caused by untreated internal inflammation in the hooves. 

  • One who founds or establishes (especially said of a company, project, organisation, state). 

  • One who casts metals in various forms; a caster. 

  • The iron worker in charge of the blast furnace and the smelting operation. 

  • Someone for whose parents one has no data. 

verb
  • To flood with water and sink. 

  • To fail; to miscarry. 

  • To disable or lame (a horse) by causing internal inflammation and soreness in the feet or limbs. 

  • To fall; to stumble and go lame, as a horse. 

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