Koh vs Koi, What's the Difference?

Which to use

“Koh” is an abbrev and “Koi” is a noun - they look or sound alike but fill different roles in a sentence.

#39,477
“Koh” frequency rank: #46,782
“Koi” frequency rank: 86259
confusion score

Side-by-Side Comparison

Feature	Koh	Koi
Definition	Buch Kohelet	japanische Zuchtform des Karpfens

Letter map: Koh vs Koi

Shared letters muted; letters that set Koh and Koi apart highlighted. Shared run: 2. Koh (CVC) and Koi (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

Koh

3 ch

Koi

Part-of-speech tell for Koh / Koi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Koh is anabbrev and Koianoun. On the page they differ by a single letter - h in “Koh” becomes i in “Koi”. Our composite confusion score for this pair is 86259, derived from the frequency rank of both members and their visual similarity.

Koh is recorded at frequency rank #39,477, classified as anabbrev, pronounced […]. Koi is at rank #46,782, tagged as anoun, pronounced [kɔɪ̯].

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 86259, this pair ranks #96,342 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Koh vs Koi

Shared letters: ko. Private to "Koh": h. Private to "Koi": i.

"Koh" · 3 letters · shape CVC · "Koi" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "Koh" for "Koi" ever safe?

No - they are not even the same part of speech. "Koh" is an abbrev and "Koi" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "Koh" or "Koi"?

"Koh" is the more common of the two: it sits at frequency rank #39,477 in our German list, against #46,782 for "Koi". 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 "Koh" and "Koi". Here's where to go from here.

Full dictionary entry for "Koh" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Koi" - compare definitions side by side with the headword page. Word entry
This pair ranks #96,342 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"Koh" and "Koi" also get mixed up with nearby pairs, the highest-scored neighbour is "Koi vs kola". Nearby pair

Confusion rank #96,342 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.