kanjivskojiWhat's the difference?

Which to use

“kanji” and “koji” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,601
“kanji” frequency rank
#46,016
“koji” frequency rank
74617
confusion score

Side-by-Side Comparison

Feature kanji koji
Definition The system of writing Japanese using Chinese characters. 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.

Where the eye mixes kanji and koji

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. kanji runs 5 letters (CVCCV) against koji's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
kanji
4 ch
koji

Why the eye confuses kanji with koji

A purely visual mix-up. kanji (/ˈkænd͡ʒi/) and koji (/ˈkoʊd͡ʒi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 74617, derived from the frequency rank of both members and their visual similarity.

kanji is recorded at frequency rank #28,601, classified as anoun, pronounced /ˈkænd͡ʒi/. koji is at rank #46,016, tagged as anoun, pronounced /ˈkoʊd͡ʒi/.

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 74617, this pair ranks #35,789 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of kanji vs koji

Shared letters: ijk. Private to "kanji": an. Private to "koji": o.

"kanji" · 5 letters · shape CVCCV  ·  "koji" · 4 letters · shape CVCV

Known mistypes of this pair

  • kanji ← aknji · kajni · kanij · kanjji · kannji · kkanji · knaji
  • koji ← kjoi · kkoji · koij · kojji · okji

Frequently Asked Questions

Can "kanji" and "koji" be used interchangeably?
No. They are said differently (/ˈkænd͡ʒi/ versus /ˈkoʊd͡ʒi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "kanji" vs "koji" - which ranks higher?
"kanji" is the more common of the two: it sits at frequency rank #28,601 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.

Useful next steps

Eye-level mix-up between "kanji" and "koji" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "kanji" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "koji" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #35,789 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "kanji" and "koji" 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 #35,789 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