Key
Stable
Stable adjective - Marked by the ability to withstand stress without structural damage or distortion.
Mutual synonyms
Both words in one sentence
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They've had a stable lineup and lead guitarist Mike Campbell and keyboardist Benmont Tench have been a key part of the band's sound.
Source: I Am the Band -
Could be Fridge Brilliance in that as Lexx becomes more and more senile, the key becomes less stable and more prone to transfer.
Source: Series / Lexx - Stable Time Loops are key to success, and Matthew McConaughey is involved in some way.
Cite this Source
Stable and Key. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/key/stable
Key & Stable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/key/stable>.
Stable or Key. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/key/stable.
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