Cipher and Letter

Cipher

Cipher noun - The numerical symbol 0 or the absence of number or quantity represented by it.

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Letter and cipher are semantically related. In some cases you can use "Letter" instead a noun "Cipher".

Nearby Words: ciphered, ciphering

Letter noun - A message on paper from one person or group to another.

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Cipher and letter are semantically related. Sometimes you can use "Cipher" instead a noun "Letter".

Nearby Words: lettering, lettered, letterhead

Try Everything: The final solution to The Eleventh Hour is unlocked by decoding a message on the last page using the first letter of the culprit's name as an alphanumeric cipher.

Source: Creator / Graeme Base
Yet another strip has Jason presenting Paige with an alphanumeric cipher with a twist: the key is comprised of 26 math problems, one for each letter of the alphabet.

Source: E = MC Hammer
While the shield runes are done using a letter-by-letter English cipher, an equivalent to the I_eland letter string is in the time-and-culture-appropriate names for Iceland and Ireland.

Source: Shown Their Work / Western Animation

Cite this Source

Letter and Cipher. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/cipher/letter

Cipher & Letter. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/cipher/letter>.

Letter or Cipher. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/cipher/letter.

Google Ngram Viewer shows how "cipher" and "letter" have occurred on timeline