Plainness
Plainness noun - The free expression of one's true feelings and opinions.
Smoothness and plainness are semantically related In some cases you can replace term "Smoothness" with "Plainness", this nouns are similar.
Smoothness
Smoothness noun - A texture without roughness; smooth to the touch.
Plainness and smoothness are semantically related in evenness topic. Sometimes you can use "Plainness" instead a noun "Smoothness".
Mutual synonyms
Cite this Source
Smoothness and Plainness. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/plainness/smoothness
Plainness & Smoothness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/plainness/smoothness>.
Smoothness or Plainness. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/plainness/smoothness.
Google Ngram Viewer shows how "plainness" and "smoothness" have occurred on timeline