ostensible vs self-appointed

ostensible

adj
  • Appearing as such; being such in appearance; professed, supposed (rather than demonstrably true or real). 

  • Apparent, evident; meant for open display. 

self-appointed

adj
  • Appointed by oneself. 

How often have the words ostensible and self-appointed occurred in a corpus of books? (source: Google Ngram Viewer )