favourable vs lucky

favourable

adj
  • Auspicious or lucky. 

  • Pleasing, encouraging or approving. 

  • Useful or helpful. 

  • Convenient or at a suitable time; opportune. 

noun
  • A favourable person 

lucky

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

  • Producing, or resulting in, good fortune 

noun
  • seven 

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