kojivsKojimaTell them apart

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

Which to use

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

#46,016
“koji” frequency rank
#38,932
“Kojima” frequency rank
84948
confusion score

Side-by-Side Comparison

Feature koji Kojima
Definition A substance that is produced by letting a mold, especially Aspergillus oryzae, grow on rice, barley, soybeans, etc., used to make fermented products such as sake, amazake, miso, and soy sauce. A surname from Japanese.

Letter map: koji vs Kojima

Shared letters muted; letters that set koji and Kojima apart highlighted. Shared run: 4. koji runs 4 letters (CVCV) against Kojima's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
koji
6 ch
Kojima

Part-of-speech tell for koji / Kojima

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: koji is anoun and Kojimaaname. On the page they differ by 2 extra letter(s) - “koji” sits inside “Kojima”. Our composite confusion score for this pair is 84948, derived from the frequency rank of both members and their visual similarity.

koji is recorded at frequency rank #46,016, classified as anoun, pronounced /ˈkoʊd͡ʒi/. Kojima is at rank #38,932, 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 84948, this pair ranks #11,217 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of koji vs Kojima

Shared letters: ijko. Private to "koji": -. Private to "Kojima": am.

"koji" · 4 letters · shape CVCV  ·  "Kojima" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • koji ← kjoi · kkoji · koij · kojji · okji
  • Kojima ← kjoima · kkojima · koijma · kojiam · kojimma · kojjima · kojmia · okjima

Frequently Asked Questions

Do "koji" and "Kojima" mean the same thing in a sentence?
No - they are not even the same part of speech. "koji" is a noun and "Kojima" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "koji" vs "Kojima" - which ranks higher?
"Kojima" is the more common of the two: it sits at frequency rank #38,932 in our English list, against #46,016 for "koji". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "koji" and "Kojima". Here's where to go from here.

  • Full dictionary entry for "koji" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kojima" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "koji" and "Kojima" also get mixed up with nearby pairs, the highest-scored neighbour is "koji vs Kop". 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 #11,217 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