alone vs apart

alone

adv
  • Not permitting anything further; exclusively. 

  • Not requiring anything further; merely. 

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

  • Without outside help. 

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

adj
  • By oneself, solitary. 

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

apart

adv
  • Aside; away; not included. 

  • separately, exclusively, not together 

  • Placed separately (in regard to space or time). 

  • In or into two or more parts. 

prep
  • Apart from. 

adj
  • Having been taken apart; disassembled, in pieces. 

  • Separate, on the side. 

  • Exceptional, distinct. 

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