pasevspsiWhich spelling fits?

Which to use

“pase” and “psi” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,147
“pase” frequency rank
#36,774
“psi” frequency rank
37921
confusion score

Side-by-Side Comparison

Feature pase psi
Definition Acción o efecto de pasar (en sus diferentes acepciones). Letra del alfabeto griego (Ψψ).

Where the eye mixes pase and psi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
pase
3 ch
psi

Look-alike desk: pase vs psi

A purely visual mix-up. pase ([ˈpase]) 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 37921, derived from the frequency rank of both members and their visual similarity.

pase is recorded at frequency rank #1,147, classified as anoun, pronounced [ˈpase]. 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 37921, this pair ranks #172,760 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pase vs psi

Shared letters: ps. Private to "pase": ae. Private to "psi": i.

"pase" · 4 letters · shape CVCV  ·  "psi" · 3 letters · shape CCV

Known mistypes of this pair

  • paseapse · paes · passe · ppase · psae

Frequently Asked Questions

Is swapping "pase" for "psi" ever safe?
No. They are said differently ([ˈpase] versus [ˈsi]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pase" or "psi"?
"pase" is the more common of the two: it sits at frequency rank #1,147 in our Spanish list, against #36,774 for "psi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pase" 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 #172,760 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pase" 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 #172,760 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list