presumptively vs unquestionably

presumptively

adv
  • In a presumptive manner 

  • As is presumed to be the case 

unquestionably

adv
  • without question; beyond doubt; indubitably. 

  • OK, right-on 

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