Which to use
“pain” and “pei” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,200
- “pain” frequency rank
- #45,496
- “pei” frequency rank
- 81696
- confusion score
Side-by-Side Comparison
| Feature | pain | pei |
|---|---|---|
| Definition | Pan. | Decimoséptima letra del alfabeto hebreo |
Where the eye mixes pain and pei
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. pain runs 4 letters (CVVC) against pei's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses pain with pei
A purely visual mix-up. pain ([pɛ̃]) and pei ([ˈpej]) 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 81696, derived from the frequency rank of both members and their visual similarity.
pain is recorded at frequency rank #36,200, classified as anoun, pronounced [pɛ̃]. pei is at rank #45,496, tagged as anoun, pronounced [ˈpej].
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 81696, this pair ranks #10,104 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of pain vs pei
Shared letters: ip. Private to "pain": an. Private to "pei": e.
"pain" · 4 letters · shape CVVC · "pei" · 3 letters · shape CVV
Known mistypes of this pair
- pain ← apin · painn · pani · pian · ppain
Frequently Asked Questions
Is swapping "pain" for "pei" ever safe?
Frequency check: "pain" vs "pei" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pei" - compare definitions side by side with the headword page. Word entry
- This pair ranks #10,104 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "pain" and "pei" also get mixed up with nearby pairs, the highest-scored neighbour is "pei vs prey". 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 #10,104 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.