impressment vs roll call

impressment

noun
  • The act of seizing for public use; impressing into public service. 

roll call

noun
  • The time of day fixed for such an event. 

  • Such an event in a legislative body in order to determine if a quorum exists. 

  • The subset of those members of a specific group who are present or available out of the full set of all the members of said group. 

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