alone vs mediocre

alone

adv
  • 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. 

  • Not permitting anything further; exclusively. 

adj
  • By oneself, solitary. 

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

mediocre

adj
  • Having no peculiar or outstanding features; not extraordinary, special, exceptional, or great; of medium quality, almost always with a negative connotation. 

noun
  • A person of minor significance, accomplishment or acclaim; a common and undistinguished person. 

  • A member of a socioeconomic class between the upper ranks of society and the agricultural workers. 

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