Knocking down
Warn and knocking down are semantically related. In some cases you can use "Warn" instead a verb "Knocking down".
Warn
Warn verb - To give notice to beforehand especially of danger or risk.
Knocking down and warn are semantically related. Sometimes you can replace term "Knocking down" with "Warn", this verbs are similar.
Cite this Source
Warn and Knocking down. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/knocking_down/warn
Knocking down & Warn. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/knocking_down/warn>.
Warn or Knocking down. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/knocking_down/warn.
Google Ngram Viewer shows how "knocking down" and "warn" have occurred on timeline