bizarre vs unextraordinary

bizarre

adj
  • Strangely unconventional; highly unusual and different from common experience, often in an extravagant, fantastic, and/or conspicuous way. 

unextraordinary

adj
  • Not extraordinary; mundane, ordinary. 

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