lallygag vs sluggard

lallygag

noun
  • A layabout, one who lallygags. 

  • Horseplay, fooling around. 

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

sluggard

noun
  • A person who is lazy, stupid, or idle by habit. 

  • A person slow to begin necessary work, a slothful person. 

  • A fearful or cowardly person, a poltroon. 

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