lucky vs ominous

lucky

adj
  • Favoured by luck; fortunate; having good success or good fortune. 

  • Producing, or resulting in, good fortune 

noun
  • seven 

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 lucky and ominous occurred in a corpus of books? (source: Google Ngram Viewer )