bemoan vs snivel

bemoan

verb
  • To moan or complain about (something). 

  • To be dismayed or worried about (someone), particularly because of their situation or what has happened to them. 

snivel

verb
  • To cry while sniffling; to whine or complain while crying. 

  • To breathe heavily through the nose while it is congested with nasal mucus. 

  • To say (something) while sniffling or crying. 

noun
  • The act of snivelling. 

  • Nasal mucus; snot. 

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