Base and Key

Base

Base noun - An immaterial thing upon which something else rests.

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Key and base are semantically related. in fundamental part topic. In some cases you can use "Key" instead the word "Base" as a noun or an adjective.

Nearby Words: basic, basal, based, baseline, baseball

Key noun - An explanatory list of the symbols on a map or chart.

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Base and key are semantically related. Sometimes you can use "Base" instead the word "Key" as a noun or an adjective.

Nearby Words: keyed, keyboard, keying

old	old base	old key
low	low base	low key
safe	safe base	safe key
similar	similar base	similar key
Other adjectives: certain, original, single, small, actual, real, large, big, main, secret, ancient, new, major, final, hidden, flying, last, different, higher, giant, eponymous.

And many have the objective of destroying an enemy base or key building in a time limit, and as expected, enemies on Hard mode are much more difficult with stronger and more numerous units.

Source: Video Game / StarCraft II: Heart of the Swarm
There's supposedly a door in the actual base marked "Stargate Command", though noone seems to have a key for it...

Source: Landmarking the Hidden Base
Got Volunteered: As Sonic and his friends approach to the center of Eggman's pyramid base, they needed a key to get inside.

Source: Video Game / Sonic Adventure 2

Cite this Source

Key and Base. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/base/key

Base & Key. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/base/key>.

Key or Base. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/base/key.

Google Ngram Viewer shows how "base" and "key" have occurred on timeline