korvsKoranWhich spelling fits?

Quick tell: kor is a noun, Koran is a name, so they fill different roles in a sentence.

Which to use

“kor” is a noun and “Koran” is a name - they look or sound alike but fill different roles in a sentence.

#38,008
“kor” frequency rank
#21,557
“Koran” frequency rank
59565
confusion score

Side-by-Side Comparison

Feature kor Koran
Definition Alternative form of cor: a former Hebrew and Phoenician unit of volume. Dated spelling of Qur'an.

Letter map: kor vs Koran

Shared letters muted; letters that set kor and Koran apart highlighted. Shared run: 3. kor runs 3 letters (CVC) against Koran's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
kor
5 ch
Koran

Part-of-speech tell for kor / Koran

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kor is anoun and Korananame. On the page they differ by 2 extra letter(s) - “kor” sits inside “Koran”. Our composite confusion score for this pair is 59565, derived from the frequency rank of both members and their visual similarity.

kor is recorded at frequency rank #38,008, classified as anoun. Koran is at rank #21,557, tagged as aname.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 59565, this pair ranks #105,392 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of kor vs Koran

Shared letters: kor. Private to "kor": -. Private to "Koran": an.

"kor" · 3 letters · shape CVC  ·  "Koran" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Koran ← kkoran · koarn · korann · korna · korran · kroan · okran

Frequently Asked Questions

Can "kor" and "Koran" be used interchangeably?
No - they are not even the same part of speech. "kor" is a noun and "Koran" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "kor" vs "Koran" - which ranks higher?
"Koran" is the more common of the two: it sits at frequency rank #21,557 in our English list, against #38,008 for "kor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "kor" and "Koran".

  • Full dictionary entry for "kor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Koran" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,392 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "kor" and "Koran" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs kor". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #105,392 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list