Arch
Both words in one sentence
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Arch-Enemy Attack Its Weak Point: One of the perks of the 99% realistic game, knowing the weak points of mobs results in quick and easy wins.
Source: Literature / ½ Prince -
Simon Elder: Arch-Enemy of the Darling family, gets romantically involved with Karen, both of them knowing why they're doing it to some degree.
Source: Series / Dirty Sexy Money - Megamind broke out of prison by having Minion send him watch, addressed from Megamind's Arch-Nemesis Metroman, knowing the prison warden wouldn't let him keep it.
Source: Batman Gambit / Animated Films
Cite this Source
Knowing and Arch. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arch/knowing
Arch & Knowing. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arch/knowing>.
Knowing or Arch. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arch/knowing.
Google Ngram Viewer shows how "arch" and "knowing" have occurred on timeline