primordially vs properly

primordially

adv
  • In a primordial manner. 

  • With regard to a primordium. 

properly

adv
  • in a proper manner, appropriately, suitably; correctly, justifiably 

  • Entirely; extremely; thoroughly. 

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