peremptorily vs readily

peremptorily

adv
  • In a peremptory manner; in a commanding tone, brooking no delay. 

readily

adv
  • Without unwillingness or hesitation; showing readiness. 

  • Without impediment, easily. 

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