dearth vs overabundance

dearth

noun
  • A period or condition when food is rare and hence expensive; famine. 

  • Scarcity; a lack or short supply. 

overabundance

noun
  • An excess of what is needed or is appropriate. 

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