Fret
Fret verb - To damage or diminish by continued friction.
Usage example: don't let the girth fret the horse's belly or you won't be able to ride him
Grind
Grind verb - To make smooth by friction.
Cite this Source
Grind and Fret. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fret/grind
Fret & Grind. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fret/grind>.
Grind or Fret. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fret/grind.
Google Ngram Viewer shows how "fret" and "grind" have occurred on timeline