Followup and Re-echo

Followup noun - A piece of work that exploits or builds on earlier work.

Re-echo and followup are semantically related. in consequence topic. In some cases you can use "Re-echo" instead a noun "Followup".

Re-echo noun - The echo of an echo.

Followup and re-echo are semantically related. Sometimes you can replace term "Followup" with "Re-echo", this terms are similar.