bent as a nine-bob note vs unwonted

bent as a nine-bob note

adj
  • Ostentatiously homosexual. 

  • Extremely dishonest or criminally-minded. 

unwonted

adj
  • Not customary or habitual; unusual; infrequent; strange. 

How often have the words bent as a nine-bob note and unwonted occurred in a corpus of books? (source: Google Ngram Viewer )