pensovspisoTell them apart

Which to use

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

#37,774
“penso” frequency rank
#1,419
“piso” frequency rank
39193
confusion score

Side-by-Side Comparison

Feature penso piso
Definition Pensamiento. Acción o efecto de pisar.

Where the eye mixes penso and piso

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

5 ch
penso
4 ch
piso

Visual trap between penso and piso

A purely visual mix-up. penso (/ˈpenso/) and piso ([ˈpiso]) 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 39193, derived from the frequency rank of both members and their visual similarity.

penso is recorded at frequency rank #37,774, classified as anoun, pronounced /ˈpenso/. piso is at rank #1,419, tagged as anoun, pronounced [ˈpiso].

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 39193, this pair ranks #165,891 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of penso vs piso

Shared letters: ops. Private to "penso": en. Private to "piso": i.

"penso" · 5 letters · shape CVCCV  ·  "piso" · 4 letters · shape CVCV

Known mistypes of this pair

  • pensoepnso · pennso · penos · pensso · pesno · pneso · ppenso
  • pisoipso · pios · pisso · ppiso · psio

Frequently Asked Questions

Can "penso" and "piso" be used interchangeably?
No. They are said differently (/ˈpenso/ versus [ˈpiso]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "penso" vs "piso" - which ranks higher?
"piso" is the more common of the two: it sits at frequency rank #1,419 in our Spanish list, against #37,774 for "penso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "penso" and "piso" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "penso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "piso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #165,891 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "penso" and "piso" also get mixed up with nearby pairs, the highest-scored neighbour is "pence vs penso". 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 #165,891 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