denigrate vs rubbish

denigrate

verb
  • To criticise so as to besmirch; traduce, disparage or defame. 

  • To treat as worthless; belittle, degrade or disparage. 

  • To blacken. 

rubbish

verb
  • To criticize, to denigrate, to denounce, to disparage. 

  • To litter. 

adj
  • Exceedingly bad; awful. 

noun
  • Nonsense. 

  • Refuse, waste, garbage, junk, trash. 

  • An item, or items, of low quality. 

intj
  • Used to express that what was recently said is nonsense or untrue; balderdash!, nonsense! 

  • Used to express that something is exceedingly bad, awful, or terrible. 

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