Which to use
“kai” and “kaiju” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,070
- “kai” frequency rank
- #46,009
- “kaiju” frequency rank
- 56079
- confusion score
Side-by-Side Comparison
| Feature | kai | kaiju |
|---|---|---|
| Definition | Food. | A fictional giant monster, particularly of the kind found in Japanese science fiction films and other media, like Godzilla, King Kong or Gamera. |
Where the eye mixes kai and kaiju
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. kai runs 3 letters (CVV) against kaiju's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between kai and kaiju
A purely visual mix-up. kai (/kaɪ̯/) and kaiju (/ˈkai.d͡ʒu/) 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 2 extra letter(s) - “kai” sits inside “kaiju”. Our composite confusion score for this pair is 56079, derived from the frequency rank of both members and their visual similarity.
kai is recorded at frequency rank #10,070, classified as anoun, pronounced /kaɪ̯/. kaiju is at rank #46,009, tagged as anoun, pronounced /ˈkai.d͡ʒu/.
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 56079, this pair ranks #128,875 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of kai vs kaiju
Shared letters: aik. Private to "kai": -. Private to "kaiju": ju.
"kai" · 3 letters · shape CVV · "kaiju" · 5 letters · shape CVVCV
Known mistypes of this pair
- kaiju ← akiju · kaijju · kaiuj · kajiu · kiaju · kkaiju
Frequently Asked Questions
Do "kai" and "kaiju" mean the same thing in a sentence?
In ordinary English text, does "kai" or "kaiju" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "kai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "kaiju" - compare definitions side by side with the headword page. Word entry
- This pair ranks #128,875 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "kai" and "kaiju" also get mixed up with nearby pairs, the highest-scored neighbour is "kaiju vs Kaoru". 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 #128,875 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.