lilting vs operatic

lilting

adj
  • Having a lilt; with energy, spirit and sprightliness; lively and cheerful. 

noun
  • A type of lively singing without any musical accompaniment, where the tune itself is sung, often to nonsense syllables. 

operatic

adj
  • Of, related to, or typical of opera. 

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