roofless vs roving

roofless

adj
  • Having no house or home; unsheltered. 

  • Without a roof, open to the sky. 

roving

adj
  • Moving about; having no fixed or permanent abode; travelling from place to place. 

  • Of the eyes or gaze, inspecting all over; not staying fixed on on subject. 

noun
  • A long and narrow bundle of fibre, usually used to spin woollen yarn or in felting. 

  • The process of giving the first twist to yarn. 

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