freakish vs unorthodox

freakish

adj

  • Strange, unusual, abnormal or bizarre. 

  • Capricious, unpredictable. 

  • Resembling a freak. 

unorthodox

adj

  • Unusual, unconventional, or idiosyncratic. 

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