gadling vs rolling stone

gadling

noun
  • A roving vagabond; one who roams 

  • A man of humble condition; a fellow; a low fellow; lowborn; originally comrade or companion, in a good sense, but later used in reproach 

  • A spike on a gauntlet; a gad. 

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. 

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