dated vs quondam

dated

adj
  • Outdated. 

  • Anachronistic; being obviously inappropriate for its present context. 

  • No longer fashionable. 

  • Marked with a date. 

quondam

adj
  • Former; once; at one time. 

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