Which to use
“peg” and “pei” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,850
- “peg” frequency rank
- #45,496
- “pei” frequency rank
- 95346
- confusion score
Side-by-Side Comparison
| Feature | peg | pei |
|---|---|---|
| Definition | Mutación dura del sustantivo masculino beg. | Decimoséptima letra del alfabeto hebreo |
Where the eye mixes peg and pei
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. peg (CVC) and pei (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses peg with pei
A purely visual mix-up. peg (/ˈpeːk/) 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 a single letter - g in “peg” becomes i in “pei”. Our composite confusion score for this pair is 95346, derived from the frequency rank of both members and their visual similarity.
peg is recorded at frequency rank #49,850, classified as anoun, pronounced /ˈpeːk/. 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 95346, this pair ranks #570 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of peg vs pei
Shared letters: ep. Private to "peg": g. Private to "pei": i.
"peg" · 3 letters · shape CVC · "pei" · 3 letters · shape CVV
Frequently Asked Questions
Can "peg" and "pei" be used interchangeably?
Frequency check: "peg" vs "pei" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "peg" 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 #570 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "peg" and "pei" also get mixed up with nearby pairs, the highest-scored neighbour is "peg vs prey". Nearby pair
Confusion rank #570 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.