Flak
Flak noun - Artillery designed to shoot upward at airplanes.
Knocks
Mutual synonyms
Both words in one sentence
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This includes exploding flak shells that throw out a cloud of shrapnel in the target's path, hoping it flies into it and knocks it down, and surface-launched missile batteries.
Source: More Dakka
Cite this Source
Knocks and Flak. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flak/knocks
Flak & Knocks. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flak/knocks>.
Knocks or Flak. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flak/knocks.
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