Groan
Groan verb - To utter a moan.
Plain
Plain verb - Express complaints, discontent, displeasure, or unhappiness.
Cite this Source
Plain and Groan. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/groan/plain
Groan & Plain. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/groan/plain>.
Plain or Groan. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/groan/plain.
Google Ngram Viewer shows how "groan" and "plain" have occurred on timeline