avail vs usefulness

avail

noun
  • Effect in achieving a goal or aim; purpose, use (now usually in negative constructions). 

  • An advertising slot or package. 

  • A press avail. 

  • A readily available stock of oil. 

  • Non-binding notice of availability for work. 

  • Proceeds; profits from business transactions. 

verb
  • To turn to the advantage of. 

  • To provide; to make available; to use or take advantage of (an opportunity or available resource). 

  • To promote; to assist. 

  • To be of use or advantage; to answer or serve the purpose; to have strength, force, or efficacy sufficient to accomplish the object. 

  • To be of service to. 

usefulness

noun
  • The quality or degree of being useful. 

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