old-fashioned vs unconventional

old-fashioned

noun
  • A cocktail made by muddling sugar with bitters and adding whiskey or, less commonly, brandy, served with a twist of citrus rind. 

adj
  • Of a thing, outdated or no longer in vogue. 

  • Of a person, preferring the customs of earlier times. 

unconventional

noun
  • Something or someone that is unconventional. 

adj
  • Not adhering to convention or accepted standards 

  • Atypical 

  • Out of the ordinary 

How often have the words old-fashioned and unconventional occurred in a corpus of books? (source: Google Ngram Viewer )