Which to use
“pass” is a verb and “psi” is a noun - they look or sound alike but fill different roles in a sentence.
- #20,155
- “pass” frequency rank
- #36,774
- “psi” frequency rank
- 56929
- confusion score
Side-by-Side Comparison
| Feature | pass | psi |
|---|---|---|
| Definition | Pasar. | Letra del alfabeto griego (Ψψ). |
Where the eye mixes pass and psi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between pass and psi
These two trip readers on the page rather than in the ear: pass is /pɑːs/ while psi is [ˈsi]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 56929, derived from the frequency rank of both members and their visual similarity.
pass is recorded at frequency rank #20,155, classified as averb, pronounced /pɑːs/. 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 56929, this pair ranks #72,539 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of pass vs psi
Shared letters: ps. Private to "pass": a. Private to "psi": i.
"pass" · 4 letters · shape CVCC · "psi" · 3 letters · shape CCV
Known mistypes of this pair
- pass ← apss · ppass · psas
Frequently Asked Questions
Can "pass" and "psi" be used interchangeably?
Frequency check: "pass" vs "psi" - which ranks higher?
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 "pass" 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 #72,539 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "pass" 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 #72,539 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.