obloquy vs slam piece

obloquy

noun
  • Abusive language. 

  • Disgrace. 

slam piece

noun
  • A journalistic or other treatment which portrays its subject in a highly unfavorable manner. 

  • A sexual partner to whom one has no particular emotional attachment. 

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