Echo and Run down

Echo verb - To continue or be repeated in a series of reflected sound waves.

Run down and echo are semantically related. In some cases you can use "Run down" instead a verb "Echo".

Nearby Words: echoing, echoed, echoic

Run down verb - To come upon after searching, study, or effort.

Echo and run down are semantically related. Sometimes you can use "Echo" instead a verb "Run down".