depress vs plague

depress

verb
  • To cause a depression or a decrease in parts of the economy. 

  • To make depressed, sad or bored. 

  • To press down. 

  • To bring down or humble; to abase (pride, etc.). 

  • To reduce (an equation) in a lower degree. 

plague

verb
  • To afflict with a disease or other calamity. 

  • To harass, pester or annoy someone persistently or incessantly. 

noun
  • A group of common grackles. 

  • A widespread affliction, calamity or destructive influx, especially when seen as divine retribution. 

  • The bubonic plague, the pestilent disease caused by the virulent bacterium Yersinia pestis. 

  • An epidemic or pandemic caused by any pestilence, but specifically by the above disease. 

  • A grave nuisance, whatever greatly irritates. 

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