Flack and Flare up

Flack

Flack noun - Artillery designed to shoot upward at airplanes.

Flare up and flack are semantically related. In some cases you can use "Flare up" instead a noun "Flack".

Flare up

Flare up verb - To become very angry.

Flack and flare up are semantically related. Sometimes you can use "Flack" instead a noun "Flare up".
Cite this Source
Flare up and Flack. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/flack/flare_up
Flack & Flare up. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/flack/flare_up>.
Flare up or Flack. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/flack/flare_up.
Google Ngram Viewer shows how "flack" and "flare up" have occurred on timeline