Recall
Part of speech: verb
Definition: To call back, bring back or summon to a specific place, station etc. To remember, recollect. To request or order someone or something to return, especially that a product or batch of products be returned to its manufacturer for repair or replacement To cancel or annul, especially of a journey undertaken by an official.
Part of speech: noun
Definition: The action or fact of calling someone or something back. Memory; the ability to remember. In Information retrieval, the fraction of (all) relevant material that is returned by a search
Example sentence: If you want to test your memory, try to recall what you were worrying about one year ago today.
Echo
Part of speech: noun
Definition: A reflected sound that is heard again by its initial observer.The displaying on the command line of the command that has just been executed.The letter E in the ICAO spelling alphabet.
Part of speech: verb
Definition: To reflect off of a surface and return to someone who has heard it already.To repeat back precisely what another has just said: to copy in the imitation of a natural echo.To repeat (another's speech, opinion etc.).
Example sentence: The sound of a kiss is not so loud as that of a cannon, but its echo lasts a great deal longer.