alone vs solo

alone

adv
  • Without outside help. 

  • Not requiring anything further; merely. 

  • By oneself; apart from, or exclusive of, others; solo. 

  • Used to emphasize the size or extent of something by selecting a subset. 

  • Not permitting anything further; exclusively. 

adj
  • By oneself, solitary. 

  • Lacking peers who share one's beliefs, experiences, practices, etc. 

solo

adv
  • Alone, without a companion. 

verb
  • To perform something in the absence of anyone else. 

  • To drop the ball and then toe-kick it upward into the hands. 

  • To perform a solo. 

adj
  • Of, or relating to, a musical solo. 

  • Without a companion or instructor. 

noun
  • A job or performance done by one person alone. 

  • A piece of music for one performer. 

  • A card game similar to whist in which each player plays against the others in turn without a partner 

  • A single shot of espresso. 

  • An instance of soloing the football. 

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