pasanvspastWhat's the difference?

Quick tell: pasan is a verb, past is an adjective, so they fill different roles in a sentence.

Which to use

“pasan” is a verb and “past” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,692
“pasan” frequency rank
#38,289
“past” frequency rank
39981
confusion score

Side-by-Side Comparison

Feature pasan past
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de pasar. Pasado, que ocurrió en el pasado.

Where the eye mixes pasan and past

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
pasan
4 ch
past

Why the eye confuses pasan with past

These two trip readers on the page rather than in the ear: pasan is [ˈpasãn] while past is /pɑːst/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 39981, derived from the frequency rank of both members and their visual similarity.

pasan is recorded at frequency rank #1,692, classified as averb, pronounced [ˈpasãn]. past is at rank #38,289, tagged as anadj, pronounced /pɑːst/.

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 39981, this pair ranks #161,570 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pasan vs past

Shared letters: aps. Private to "pasan": n. Private to "past": t.

"pasan" · 5 letters · shape CVCVC  ·  "past" · 4 letters · shape CVCC

Known mistypes of this pair

  • pasanapsan · paasn · pasann · pasna · passan · ppasan · psaan
  • pastapst · passt · pastt · pats · ppast · psat

Frequently Asked Questions

Can "pasan" and "past" be used interchangeably?
No - they are not even the same part of speech. "pasan" is a verb and "past" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pasan" or "past"?
"pasan" is the more common of the two: it sits at frequency rank #1,692 in our Spanish list, against #38,289 for "past". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "pasan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "past" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,570 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pasan" and "past" also get mixed up with nearby pairs, the highest-scored neighbour is "pa'l vs past". 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 #161,570 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