expect vs wait

expect

verb
  • To predict or believe that something will happen 

  • To consider obligatory or required. 

  • To consider reasonably due. 

  • To be pregnant, to consider a baby due. 

wait

verb
  • To delay movement or action until some event or time; to remain neglected or in readiness. 

  • To remain faithful to one’s partner or betrothed during a prolonged period of absence. 

  • To wait tables; to serve customers in a restaurant or other eating establishment. 

intj
  • Tells the other speaker to stop talking, typing etc. for a moment. 

noun
  • A delay. 

  • An ambush. 

  • Musicians who sing or play at night or in the early morning, especially at Christmas time; serenaders; musical watchmen. 

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