boner vs validity

boner

noun
  • An erect penis. 

  • An often perverse sense of enjoyment from or predilection towards something. 

  • Why do guys get boners when they wake up in the morning? 

  • One who or that which bones (removes bones). 

validity

noun
  • The genuinity - as distinguished from the efficacity or the regularity - of a sacrament as a result of some formal dispositions being fulfilled. 

  • The state of being valid, authentic or genuine. 

  • State of having legal force. 

  • A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability). 

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