abort vs echo

abort

verb
  • To end prematurely; to stop in the preliminary stages; to turn back. 

  • To cause a premature termination of (a fetus); to end a pregnancy before term. 

  • To abandon a mission at any point after the beginning of the mission and prior to its completion. 

  • To terminate a mission involving a missile or rocket; to destroy a missile or rocket prematurely. 

  • To miscarry; to bring forth (non-living) offspring prematurely. 

  • To become checked in normal development, so as either to remain rudimentary or shrink away wholly; to cease organic growth before maturation; to become sterile. 

  • To stop or fail at something in the preliminary stages. 

  • To terminate a process prior to completion. 

  • To cause an organism to develop minimally; to cause rudimentary development to happen; to prevent maturation. 

noun
  • The function used to abort a process. 

  • An early termination of a mission, action, or procedure in relation to missiles or spacecraft; the craft making such a mission. 

  • An event in which a process is aborted. 

echo

verb
  • To repeat (another's speech, opinion, etc.). 

  • To reflect off a surface and return. 

  • To reflect back (a sound). 

  • To repeat its input as input to some other device or system. 

  • To give the echo signal, informing one's partner about cards one holds. 

noun
  • An individual discussion forum using the echomail system. 

  • An utterance repeating what has just been said. 

  • The displaying on the command line of the command that has just been executed. 

  • A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or, as played by some, exactly three trumps) and whose partner has led trumps or signalled for trumps. 

  • A reflected sound that is heard again by its initial observer. 

  • An antisemitic punctuation symbol or marking, ((( ))), placed around a name or phrase to indicate the person is Jewish or the entity is controlled by Jewish people. 

  • A device in verse in which a line ends with a word which recalls the sound of the last word of the preceding line. 

  • A signal showing the number held of a plain suit when a high card in that suit is led by one's partner. 

  • Sympathetic recognition; response; answer. 

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