Echoes and Keys

Related words

Definitions of Echoes not found.

Keys and echoes are semantically related. In some cases you can use "Keys" instead a noun "Echoes".

Definitions of Echoes not found.

Echoes and keys are semantically related. Sometimes you can use "Echoes" instead a noun "Keys".

Echoes takes it further, as one of the ten keys needed to access the final area is already in its lock thanks to the efforts of a long-deceased Luminoth warrior, so Samus only needs to find nine.

Source: Video Game / Metroid Prime Trilogy
In Metroid Prime 2: Echoes, the Sky Temple in the dark world requires 10 keys to unlock.

Source: Already Done for You
The Metroid Prime Trilogy games frequently invoke the rule of three, with three Temples in Echoes (and each of them requiring 3 Keys for full access), 3 Phazon-infested planets in Corruption, and the 3 alternate beams and 3 alternate visors in each game.

Source: Rule of Three

Cite this Source

Keys and Echoes. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/echoes/keys

Echoes & Keys. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/echoes/keys>.

Keys or Echoes. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/echoes/keys.

Google Ngram Viewer shows how "echoes" and "keys" have occurred on timeline