limelight vs understate

limelight

noun
  • A type of stage lighting once used in theatres and music halls, producing a bright light by the use of incandescent quicklime. 

  • Attention, notice, a starring or central role, present fame. 

verb
  • to illuminate with limelight 

understate

verb
  • To state (something) with a lack of emphasis, in order to express irony. 

  • To state (something) with less completeness than needed; to minimise or downplay. 

  • To state a quantity that is too low. 

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