Hint
Hint noun - A slight or indirect pointing to something (as a solution or explanation).
Usage example: can't you give me some hint as to where you're taking me?
Key
Key noun - An explanatory list of the symbols on a map or chart.
How words are described
Both words in one sentence
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Similarly, the lyrics that play over certain key scenes often hint or highlight the actions therein.
Source: Film / John Wick -
In Kiss Me Deadly, a woman with information the bad guys want is killed, but she leaves a hint with Mike Hammer that reveals she'd swallowed a key to finding the MacGuffin of the movie.
Source: Swallow the Key - In Mega Man 5 his doppelganger Dark Man has a off-key version of the whistle, an early hint that he isn't who he says he is.
Source: Leitmotif / Video Games
Cite this Source
Key and Hint. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/hint/key
Hint & Key. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/hint/key>.
Key or Hint. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/hint/key.
Google Ngram Viewer shows how "hint" and "key" have occurred on timeline