screamer vs validity

screamer

noun
  • Any bird in the taxonomic family Anhimidae, endemic to South America, being large, bulky birds with a small downy head, long legs and large feet. 

  • A march played at the circus to arouse the crowd. 

  • A video that unexpectedly frightens the viewer by cutting to a loud scream and disturbing image. 

  • An effeminate gay man; a man who is obviously homosexual. 

  • An exclamation mark. 

  • A large, attention-getting headline. 

  • A healthy, vigorous person. 

  • A very hard hit. 

  • Something exceptionally good. 

  • A powerful shot. 

  • A very large wave. 

  • A difficult catch. 

  • One who screams; one who shouts; one who sings harshly. 

  • A particularly high mark (clean catch of a kicked ball). 

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 screamer and validity occurred in a corpus of books? (source: Google Ngram Viewer )