Which to use
“ch” is a character and “chi” is a noun - they look or sound alike but fill different roles in a sentence.
- #10,997
- “ch” frequency rank
- #9,955
- “chi” frequency rank
- 20952
- confusion score
Side-by-Side Comparison
| Feature | ch | chi |
|---|---|---|
| Definition | Dígrafo que fue considerado cuarta letra del alfabeto español entre 1803 y 2010. Su nombre es che y generalmente representa un sonido consonante africado postalveolar sordo. | Principio activo que forma parte de todo ser vivo y que se podría traducir como "flujo vital de energía". Es similar a conceptos occidentales como energeia, magnetismo animal, élan vital o energía vital (vitalismo). |
Where the eye mixes ch and chi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ch with chi
These two trip readers on the page rather than in the ear: ch is [ˈt͡ʃe] while chi is [ˈt͡ʃi]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “ch” sits inside “chi”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20952, derived from the frequency rank of both members and their visual similarity.
ch is recorded at frequency rank #10,997, classified as acharacter, pronounced [ˈt͡ʃe]. chi is at rank #9,955, tagged as anoun, pronounced [ˈt͡ʃi].
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 20952, this pair ranks #257,043 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ch vs chi
Shared letters: ch. Private to "ch": -. Private to "chi": i.
"ch" · 2 letters · shape CC · "chi" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "ch" for "chi" ever safe?
Which is more common, "ch" or "chi"?
What to do next
Eye-level mix-up between "ch" and "chi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ch" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "chi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #257,043 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ch" and "chi" also get mixed up with nearby pairs, the highest-scored neighbour is "ch vs cuc". Nearby pair
Confusion rank #257,043 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.