daily grind vs fun

daily grind

noun
  • The difficult, routine, or monotonous tasks of daily work. 

fun

noun
  • playful, often noisy, activity. 

  • amusement, enjoyment or pleasure 

adj
  • Enjoyable or amusing. 

  • Whimsical or flamboyant. 

verb
  • To tease, kid, poke fun at, make fun of. 

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