disembarrass vs get off the hook

disembarrass

verb
  • To get (someone) out of a difficult or embarrassing situation; to free (someone) from the embarrassment (of a situation); to relieve (someone of a burden, item of clothing, etc.) (often used reflexively). 

get off the hook

How often have the words disembarrass and get off the hook occurred in a corpus of books? (source: Google Ngram Viewer )