loiter vs straggle

loiter

verb
  • To remain at a certain place instead of moving on. 

  • To stand about without any aim or purpose; to stand about idly. 

  • For an aircraft to remain in the air near a target. 

noun
  • A standing or strolling about without any aim or purpose. 

straggle

verb
  • To stray, rove, or wander from a normal course and others of its kind. 

  • To act in a disorderly and irregular way 

noun
  • An irregular, spread-out group. 

  • An outlier; something that has strayed beyond the normal limits. 

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