Flow
Undulated
Flow and undulated are semantically related in rise and fall topic. You can use "Flow" instead a verb "Undulated".
Cite this Source
Undulated and Flow. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flow/undulated
Flow & Undulated. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flow/undulated>.
Undulated or Flow. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flow/undulated.
Google Ngram Viewer shows how "flow" and "undulated" have occurred on timeline