Be plain
Sound
Sound verb - To continue or be repeated in a series of reflected sound waves.
Cite this Source
Sound and Be plain. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/be_plain/sound
Be plain & Sound. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/be_plain/sound>.
Sound or Be plain. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/be_plain/sound.
Google Ngram Viewer shows how "be plain" and "sound" have occurred on timeline