certain vs continuant

certain

adj
  • Fixed or stated; regular; determinate. 

  • Unfailing; infallible. 

  • Known but not specifically named; indeterminate; indefinite; one or some; sometimes used independently as a noun, and meaning certain persons; see also "one". 

  • Not to be doubted or denied; established as a fact. 

  • Sure, positive, not doubting. 

  • Actually existing; sure to happen; inevitable. 

det
  • Having been determined but not specified. 

pron
  • Unnamed or undescribed members (of). 

continuant

adj
  • Continuing; prolonged; sustained. 

noun
  • An endurant. 

  • A determinant formed from a tridiagonal matrix. 

  • A linguistic sound other than a stop. 

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