crab vs falsetto

crab

verb
  • To be ill-tempered; to complain or find fault. 

  • To navigate (an aircraft, e.g. a glider) sideways against an air current in order to maintain a straight-line course. 

  • To move in a manner that involves keeping low and clinging to surfaces. 

  • To ruin. 

  • To fish for crabs. 

  • To move (a camera) sideways. 

  • To back out of something. 

  • To complain about. 

  • To cudgel or beat, as with a crabstick 

  • To drift or move sideways or to leeward (by analogy with the movement of a crab). 

  • To complain. 

noun
  • The meat of this crustacean, served as food; crabmeat. 

  • A movable winch or windlass with powerful gearing, used with derricks, etc. 

  • A playing card with the rank of three. 

  • The crab apple or wild apple. 

  • The tree bearing crab apples, which has a dogbane-like bitter bark with medical use. 

  • A machine used in ropewalks to stretch the yarn. 

  • A claw for anchoring a portable machine. 

  • The tree species Carapa guianensis, native to South America. 

  • A form of windlass, or geared capstan, for hauling ships into dock, etc. 

  • A crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace. 

  • An infestation of pubic lice (Pthirus pubis). 

  • A position in rowing where the oar is pushed under the rigger by the force of the water. 

  • A defect in an outwardly normal object that may render it inconvenient and troublesome to use. 

  • A cudgel made of the wood of the crab tree; a crabstick. 

  • The angle by which an aircraft's nose is pointed upwind of its groundtrack to compensate for crosswinds during an approach to landing; its crab angle. 

  • The state of an aircraft's nose being pointed upwind of its groundtrack to compensate for crosswinds during an approach to landing. 

  • A bad-tempered person. 

falsetto

verb
  • To sing or utter in falsetto. 

noun
  • A person who sings in falsetto. 

  • The "false" (singing) voice in any human, usually airy and lacking a purity of vowels; created by utilizing the next highest vocal folds above those used for speech and normal range singing. It is commonly confused with the head voice register. 

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