imperative vs pressing

imperative

noun
  • An essential action, a must: something which is imperative. 

  • A verb in imperative mood. 

  • The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive. 

adj
  • Having semantics that incorporates mutable variables. 

  • Expressing a command; authoritatively or absolutely directive. 

  • Essential; crucial; extremely important. 

  • Of, or relating to the imperative mood. 

pressing

noun
  • Urgent insistence. 

  • The extraction of juice from fruit using a press. 

  • A metal or plastic part made with a press. 

  • The process of improving the appearance of clothing by improving creases and removing wrinkles with a press or an iron. 

  • A phonograph record; a number of records pressed at the same time. 

  • The application of pressure by a press or other means. 

  • A memento preserved by pressing, folding, or drying between the leaves of a flat container, book, or folio. Usually done with a flower, ribbon, letter, or other soft, small keepsake. 

adj
  • Insistent, earnest, or persistent. 

  • Needing urgent attention. 

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