be vs depart

be

verb
  • To occupy a place. 

  • Used to indicate that the subject has the qualities described by a noun or noun phrase. 

  • Used to indicate that the subject has the qualities described by an adjective. 

  • To occur, to take place. 

  • Used to link a subject to a measurement. 

  • Used to express future action as well as what is due to, intended to, or should happen. 

  • Used to state the age of a subject in years. 

  • Used to form the continuous aspect. 

  • Used to indicate that the subject and object are the same. 

  • To exist. 

  • Used to indicate that the values on either side of an equation are the same. 

  • Used to indicate that the subject plays the role of the predicate nominal. 

  • Used to indicate the time of day. 

  • Used to link two noun clauses, the first of which is a day of the week, recurring date, month, or other specific time (on which the event of the main clause took place), and the second of which is a period of time indicating how long ago that day was. 

  • To exist or behave in a certain way. 

  • Elliptical form of "be here", "go to and return from" or similar, also extending to certain other senses of "go". 

  • To tend to do, often do; marks the habitual aspect. 

  • Used to form the passive voice. 

  • Used to form the perfect aspect with certain intransitive verbs; this was more common in archaic use, especially with verbs indicating motion. "He is finished", and "He is gone" are common, but "He is come" is archaic. 

  • Used to indicate that the subject is an instance of the predicate nominal. 

  • Used to indicate passage of time since the occurrence of an event. 

  • To exist; to have real existence, to be alive. 

  • Used to indicate weather, air quality, or the like. 

noun
  • The name of the Cyrillic script letter Б / б. 

depart

verb
  • To set out on a journey. 

  • To leave. 

  • To die. 

  • To disappear, vanish; to cease to exist. 

  • To go away from; to leave. 

  • To deviate (from), be different (from), fail to conform. 

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