denotative vs ominous

denotative

adj
  • That denotes or names; designative. 

  • Specific to the primary meaning of a term. 

ominous

adj
  • Of or pertaining to an omen or to omens; being or exhibiting an omen; significant. 

  • Specifically, giving indication of a coming ill; being an evil omen 

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