misbegotten vs not worth a whistle

misbegotten

adj

  • Bad; worthless. 

  • Born out of wedlock; illegitimate. 

  • Ill-conceived. 

noun

  • A person born into infelicitous circumstances. 

not worth a whistle

adj

  • Worthless or pointless. 

How often have the words misbegotten and not worth a whistle occurred in a corpus of books? (source: Google Ngram Viewer )