is for
Echo

An echo is reflected sound. You get echos most often in enclosed spaces with hard walls, like an empty room with wooden floors, or the inside of a large concrete pipe like in the picture. If you make a noise in a place like this, the noise you make sounds like it is being repeated back at you again and again, getting quieter each time.

Echo rhymes with ...

Gecko, Moscow, Mexico, Mexico City, Morocco ... see all