Arch
Both words in one sentence
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Breakout Villain: Firestorm's Arch-Enemy Killer Frost has proven popular enough with fans and writers that she has been used in Justice League, Justice League Unlimited, Batman: The Brave and the Bold and Young Justice, as well as several video games and animated movies.
Source: Comic Book / Firestorm
Cite this Source
Bold and Arch. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arch/bold
Arch & Bold. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arch/bold>.
Bold or Arch. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arch/bold.
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