Keyhole
Opening
Opening noun - A place in a surface allowing passage into or through a thing.
Usage example: an opening in the roof is letting rain drip inside
Mutual synonyms
Both words in one sentence
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He first tries to accomplish this by gathering the seven Princesses and opening the Final Keyhole, and then by opening the Door to Darkness and unleashing hordes of them.
Source: Omnicidal Maniac -
Faceless Masses: In the opening, some formless, keyhole-shaped people chase Erika and Tsubomi.
Source: Anime / HeartCatch Pretty Cure! -
Then it's revealed in the Disc One Final Dungeon that Kairi's heart has been residing inside Sora all along ever since the destruction of their home world, and opening up the final keyhole means that Sora will have to release both his and her hearts.
Source: Tomato in the Mirror
Cite this Source
Opening and Keyhole. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keyhole/opening
Keyhole & Opening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keyhole/opening>.
Opening or Keyhole. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keyhole/opening.
Google Ngram Viewer shows how "keyhole" and "opening" have occurred on timeline