disregard vs wait on

disregard

verb
  • To ignore; pay no attention to. 

noun
  • The act or state of deliberately not paying attention or caring about; misregard. 

wait on

verb
  • To provide a service to (someone); to act as a servant to (someone); to serve (someone) as a waiter or waitress in a restaurant. 

  • To wait for (a person). 

  • To wait for (a thing, or an event to take place). 

  • To fly above its master, waiting till game is sprung. 

  • To be in store for (someone). 

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