imperative vs want

imperative

noun
  • 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. 

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

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. 

want

noun
  • A desire, wish, longing. 

  • Poverty. 

  • Something needed or desired; a thing of which the loss is felt. 

  • A depression in coal strata, hollowed out before the subsequent deposition took place. 

  • Lack, absence, deficiency. 

  • A mole (Talpa europea). 

verb
  • To make it easy or tempting to do something undesirable, or to make it hard or challenging to refrain from doing it. 

  • To desire (to experience desire); to wish. 

  • To lack and be in need of or require (something, such as a noun or verbal noun). 

  • To be advised to do something (compare should, ought). 

  • To wish for or desire (something); to feel a need or desire for; to crave or demand. 

  • To wish, desire, or demand to see, have the presence of or do business with. 

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