Sole
Underpart
Underpart noun - The side or part facing downward from something.
Usage example: the bird's underparts were white
Mutual synonyms
Cite this Source
Underpart and Sole. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/sole/underpart
Sole & Underpart. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/sole/underpart>.
Underpart or Sole. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/sole/underpart.
Google Ngram Viewer shows how "sole" and "underpart" have occurred on timeline