Which to use
“peso” and “psi” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #998
- “peso” frequency rank
- #36,774
- “psi” frequency rank
- 37772
- confusion score
Side-by-Side Comparison
| Feature | peso | psi |
|---|---|---|
| Definition | Fuerza, y magnitud de esta, con que la tierra atrae a un cuerpo. | Letra del alfabeto griego (Ψψ). |
Where the eye mixes peso and psi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses peso with psi
A purely visual mix-up. peso ([ˈpeso]) and psi ([ˈsi]) 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 37772, derived from the frequency rank of both members and their visual similarity.
peso is recorded at frequency rank #998, classified as anoun, pronounced [ˈpeso]. psi is at rank #36,774, tagged as anoun, pronounced [ˈsi].
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 37772, this pair ranks #173,566 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of peso vs psi
Shared letters: ps. Private to "peso": eo. Private to "psi": i.
"peso" · 4 letters · shape CVCV · "psi" · 3 letters · shape CCV
Known mistypes of this pair
- peso ← epso · peos · pesso · ppeso · pseo
Frequently Asked Questions
Is swapping "peso" for "psi" ever safe?
In ordinary Spanish text, does "peso" or "psi" show up more?
Useful next steps
Eye-level mix-up between "peso" and "psi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "peso" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "psi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #173,566 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "peso" and "psi" also get mixed up with nearby pairs, the highest-scored neighbour is "PRC vs psi". 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 #173,566 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.