dare vs kernel

dare

verb
  • To terrify; to daunt. 

  • To have enough courage (to do something). 

  • To have enough courage to meet or do something, go somewhere, etc.; to face up to 

  • To catch (larks) by producing terror through the use of mirrors, scarlet cloth, a hawk, etc., so that they lie still till a net is thrown over them. 

  • To defy or challenge (someone to do something) 

noun
  • The quality of daring; venturesomeness; boldness. 

  • A challenge to prove courage. 

  • In the game truth or dare, the choice to perform a dare set by the other players. 

  • A small fish, the dace 

  • Defiance; challenge. 

kernel

verb
  • To crenellate 

  • To enclose within a kernel 

noun
  • The human clitoris. 

  • The nucleus and electrons of an atom excluding its valence electrons. 

  • For a category with zero morphisms: the equalizer of a given morphism and the zero morphism which is parallel to that given morphism. 

  • A set of pairs of a mapping's domain which are mapped to the same value. 

  • A single seed or grain, especially of corn or wheat. 

  • A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh. 

  • The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1). 

  • The core, center, or essence of an object or system. 

  • The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components. 

  • The stone of certain fruits, such as peaches or plums. 

  • A function used to define an integral transform. 

  • The core engine of any complex software system. 

  • The central (usually edible) part of a nut, especially once the hard shell has been removed. 

  • For a given function (especially a linear map between vector spaces), the set of elements in the domain which are mapped to zero; (formally) given f : X → Y, the set {x ∈ X : f(x) = 0}. 

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