rolling stone vs straggler

rolling stone

noun
  • A person who moves around a lot and never settles down; a vagrant. 

  • A geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without animal or human intervention. 

  • A meteoroid. 

  • A womanizer. 

straggler

noun
  • One who roams without any settled direction. 

  • Something that stands alone or by itself. 

  • One who falls behind the rest, for example in a race. 

  • Something that shoots, or spreads out, beyond the rest, or too far; an exuberant growth. 

  • A roving vagabond. 

  • A person who straggles, or departs from the direct or proper course, or from the company to which they belong. 

  • A migratory animal found away from its usual range. 

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