hole vs keyhole

hole

noun
  • An excavation pit or trench. 

  • An undesirable place to live or visit. 

  • A passing loop; a siding provided for trains traveling in opposite directions on a single-track line to pass each other. 

  • A card (also called a hole card) dealt face down thus unknown to all but its holder; the status in which such a card is. 

  • A container or receptacle. 

  • Difficulty, in particular, debt. 

  • In semiconductors, a lack of an electron in an occupied band behaving like a positively charged particle. 

  • The rear portion of the defensive team between the shortstop and the third baseman. 

  • Sex, or a sex partner. 

  • A security vulnerability in software which can be taken advantage of by an exploit. 

  • Solitary confinement, a high-security prison cell often used as punishment. 

  • The part of a game in which a player attempts to hit the ball into one of the holes. 

  • A hollow place or cavity; an excavation; a pit; a dent; a depression; a fissure. 

  • An opening that goes all the way through a solid body, a fabric, etc.; a perforation; a rent. 

  • A weakness; a flaw or ambiguity. 

  • A chordless cycle in a graph. 

  • A square on the board, with some positional significance, that a player does not, and cannot in future, control with a friendly pawn. 

  • A subsurface standard-size hole, also called cup, hitting the ball into which is the object of play. Each hole, of which there are usually eighteen as the standard on a full course, is located on a prepared surface, called the green, of a particular type grass. 

  • In the game of fives, part of the floor of the court between the step and the pepperbox. 

  • An orifice, in particular the anus. When used with shut it always refers to the mouth. 

verb
  • To go into a hole. 

  • To make holes in (an object or surface). 

  • To cut, dig, or bore a hole or holes in. 

  • To drive into a hole, as an animal, or a billiard ball or golf ball. 

  • To destroy. 

keyhole

noun
  • A hole or excavation in beams intended to be joined together, to receive the key that fastens them. 

  • A mortise for a key or cotter. 

  • A gravitational keyhole. 

  • Any small opening resembling the hole for a key in shape or function. 

  • A transient column of vapor or plasma formed when using high energy beams, such as lasers, for welding or cutting. 

  • The free-throw lane together with the circle surrounding the free-throw line; key. 

  • The hole in a lock where the key is inserted and turns. 

  • A circle cut out of a garment as a decorative effect, typically at the front or back neckline of a dress. 

  • A welding method in which a hole forms in the surface immediately ahead of the puddle in the direction of welding. The hole is filled as the weld progresses. 

verb
  • To strike a target after wobbling in flight so that the long axis of the bullet does not follow the line of flight, typically due to insufficient spin resulting from the rifling in the barrel. 

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