Key and Rule

Key

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

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Rule and key are semantically related. In some cases you can use "Rule" instead a noun "Key".

Nearby Words: keyed, keyboard, keying

Rule noun - A statement spelling out the proper procedure or conduct for an activity.

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Key and rule are semantically related. Sometimes you can use "Key" instead a noun "Rule".

Nearby Words: ruling, ruler, ruled

old	old key	old rule
special	special key	special rule
particular	particular key	particular rule
similar	similar key	similar rule
Other adjectives: normal, specific, certain, standard, original, single, simple, actual, real, main, important, new, final, last, aforementioned.

Rule of Symbolism: Ian describes how they managed to Time Travel by usage of the key metaphor: "We unlocked the past." Muckle-mooth Meg also relays part of Anna's prophecy as "you will mark the end of an age with the turn of a key".

Source: Literature / In the Keep of Time
Adaptability is key; the first rule is to ensure my survival, so there is no shame in a temporary alliance with the enemy.

Source: Just For Fun / The Universal Genre Savvy Guide
Karl Marx was himself a victim of this persecution since he was exiled from Germany and France to England for these reasons, and it was a key reason why Marx was reluctant to rule out violence.

Source: Red Scare

Cite this Source

Rule and Key. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/key/rule

Key & Rule. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/key/rule>.

Rule or Key. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/key/rule.

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