Rash
Rash noun - Any red eruption of the skin.
Undulation and rash are semantically related. In some cases you can use "Undulation" instead a noun "Rash".
Undulation
Undulation noun - Wavelike motion; a gentle rising and falling in the manner of waves.
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Synonyms for Undulation
Rash and undulation are semantically related. Sometimes you can use "Rash" instead a noun "Undulation".
Mutual synonyms
Cite this Source
Undulation and Rash. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/rash/undulation
Rash & Undulation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/rash/undulation>.
Undulation or Rash. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/rash/undulation.
Google Ngram Viewer shows how "rash" and "undulation" have occurred on timeline