Circle
Keyhole
Both words in one sentence
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Super Mario World did this with a circle at the end of every stage, except those finished using a keyhole.
Source: Iris Out - In The Elder Scrolls V: Skyrim, you are shown the keyhole and can move a lockpick in a circle, then rotate the lock when it is in position.
Source: Lockpicking Minigame -
The usual exit to non-boss levels in Super Mario World is walking through twin poles; the standard alternate exit is finding a key and putting it into the keyhole; the Sunken Ghost Ship's exit is touching a question mark in a green circle.
Source: Level Goal
Cite this Source
Keyhole and Circle. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/circle/keyhole
Circle & Keyhole. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/circle/keyhole>.
Keyhole or Circle. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/circle/keyhole.
Google Ngram Viewer shows how "circle" and "keyhole" have occurred on timeline