concise vs echoic

concise

verb
  • To make concise; to abridge or summarize. 

adj
  • Brief, yet including all important information 

echoic

adj
  • Of or pertaining to an echo 

  • Imitative of a sound; onomatopoeic. 

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