detain vs expedite

detain

verb
  • To put under custody. 

  • To seize goods for official purposes. 

  • To keep back or from; to withhold. 

  • To keep someone from proceeding by holding them back or making claims on their attention. 

expedite

adj
  • Expeditious; quick; prompt. 

  • Free of impediment; unimpeded. 

verb
  • To perform (a task) fast and efficiently. 

  • To accelerate the progress of. 

  • To perform the duties of an expediter. 

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