Code and Letter

Code

Code noun - A collection or system of rules of conduct.

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

Nearby Words: coded, coding, coder

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

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

Nearby Words: lettering, lettered, letterhead

old	old code	old letter
special	special code	special letter
long	long code	long letter
exact	exact code	exact letter
Other adjectives: similar, right, certain, original, fake, correct, single, actual, entire, real, wrong, infamous, important, famous, personal, secret, ancient, new, mysterious, official, different.

When it hit the Virtual Console, the loading screen showed the letter and code.

Source: All There In The Manual / Video Games
On Dollhouse, all the actives in the LA house are apparently assigned a letter, but are referred to as the military phonetic code for said letter (Alpha, Echo, November, Sierra, Whiskey, etc).

Source: One-Letter Name
Unfortunately, sticking to the letter of the code will result in a Lawful Stupid character.

Source: Code of Honour aka: Code Of Honor

Cite this Source

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

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

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

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