subsequently vs whilom

subsequently

adv
  • Following, afterwards in either time or place. 

  • Accordingly, therefore (implying a logical connection or deduction), consequently. 

whilom

adv
  • At some time in the past; formerly, once upon a time. 

adj
  • At some time in the past; former, sometime. 

conj
  • During the same time that; while. 

  • Up to the time that; till, until. 

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