Ground
Smooth
Smooth verb - To free from obstruction or difficulty.
Both words in one sentence
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Her Duel Avatar has no feet and instead glides around just above the ground giving her movements a smooth, graceful quality.
Source: Lady of War -
A ship big enough to have looked like a smooth bronze-colored moon from the ground.
Source: Fanfic / A Crown of Stars - In Valor's Trial by Tanya Huff, the Others hit the ground battle from space with some sort of strategic warhead that fuses the entire battlefield and everything on it into smooth volcanic glass.
Cite this Source
Smooth and Ground. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/ground/smooth
Ground & Smooth. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/ground/smooth>.
Smooth or Ground. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/ground/smooth.
Google Ngram Viewer shows how "ground" and "smooth" have occurred on timeline