lallygag vs vegetate

lallygag

verb
  • To dawdle; to be lazy or idle; to avoid necessary work or effort. 

noun
  • Horseplay, fooling around. 

  • A layabout, one who lallygags. 

vegetate

verb
  • To live or spend a period of time in a dull, inactive, unchallenging way. 

  • To grow or sprout. 

  • To spread abnormally. 

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