avail vs suffice

avail

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

  • 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 service to. 

noun
  • An advertising slot or package. 

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

  • A press avail. 

  • A readily available stock of oil. 

  • Non-binding notice of availability for work. 

  • Proceeds; profits from business transactions. 

suffice

verb
  • To be enough or sufficient; to meet the need (of anything); to be adequate; to be good enough. 

  • To furnish; to supply adequately. 

  • To satisfy; to content; to be equal to the wants or demands of. 

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