averment vs hypothesis

averment

noun
  • A positive statement of facts; an allegation; an offer to justify or prove what is alleged. 

  • The act of averring, or that which is averred; positive assertion. 

  • verification; establishment by evidence. 

hypothesis

noun
  • An assumption taken to be true for the purpose of argument or investigation. 

  • Used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation. As a scientific term of art, see the attached quotation. Compare to theory, and quotation given there. 

  • The antecedent of a conditional statement. 

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