Echo
Sounder
Sounder noun - A device for making soundings.
Echo and sounder are semantically related in produce noise topic. Sometimes you can use "Echo" instead a verb "Sounder".
Cite this Source
Sounder and Echo. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/echo/sounder
Echo & Sounder. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/echo/sounder>.
Sounder or Echo. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/echo/sounder.
Google Ngram Viewer shows how "echo" and "sounder" have occurred on timeline