beak vs slat

beak

verb
  • Strike with the beak. 

  • To play truant. 

  • Seize with the beak. 

noun
  • Any of various nymphalid butterflies of the genus Libythea, notable for the beak-like elongation on their heads. 

  • A schoolmaster (originally, at Eton). 

  • The human nose, especially one that is large and pointed. 

  • That part of a ship, before the forecastle, which is fastened to the stem, and supported by the main knee. 

  • A rigid structure projecting from the front of a bird's face, used for pecking, grooming, foraging, carrying items, eating food, etc. 

  • A similar structure forming the jaws of an octopus, turtle, etc. 

  • A justice of the peace; a magistrate. 

  • The upper or projecting part of the shell, near the hinge of a bivalve. 

  • The prolongation of certain univalve shells containing the canal. 

  • The long projecting sucking mouth of some insects and other invertebrates, as in the Hemiptera. 

  • A toe clip. 

  • A beam, shod or armed at the end with a metal head or point, and projecting from the prow of an ancient galley, used as a ram to pierce the vessel of an enemy; a beakhead. 

  • cocaine. 

  • Any process somewhat like the beak of a bird, terminating the fruit or other parts of a plant. 

  • Anything projecting or ending in a point like a beak, such as a promontory of land. 

  • A continuous slight projection ending in an arris or narrow fillet; that part of a drip from which the water is thrown off. 

slat

verb
  • To slap; to strike; to beat; to throw down violently. 

  • To set on; to incite. 

  • To construct or provide with slats. 

  • To split; to crack. 

noun
  • A ski. 

  • A thin, narrow strip or bar of wood (lath), metal, or plastic. 

  • A control surface that extends forwards and downwards from the leading edge of a wing, leaving a gap between it and the leading edge, in order to modify the airflow around the wing so as to allow flight at a higher angle of attack without stalling, lowering the aircraft's stall speed. 

  • A thin piece of stone; a slate. 

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