pensovsposoTell them apart

Which to use

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

#37,774
“penso” frequency rank
#46,740
“poso” frequency rank
84514
confusion score

Side-by-Side Comparison

Feature penso poso
Definition Pensamiento. Sólidos que estaban diluidos en un líquido y por la acción de la gravedad se depositan en el fondo del recipiente que lo contiene al líquido.

Where the eye mixes penso and poso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. penso runs 5 letters (CVCCV) against poso's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
penso
4 ch
poso

Why the eye confuses penso with poso

A purely visual mix-up. penso (/ˈpenso/) and poso ([ˈposo]) 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 84514, 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/. poso is at rank #46,740, tagged as anoun, pronounced [ˈposo].

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 84514, this pair ranks #6,994 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of penso vs poso

Shared letters: ops. Private to "penso": en. Private to "poso": -.

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

Known mistypes of this pair

  • penso ← epnso · pennso · penos · pensso · pesno · pneso · ppenso
  • poso ← opso · poos · posso · pposo · psoo

Frequently Asked Questions

Can "penso" and "poso" be used interchangeably?
No. They are said differently (/ˈpenso/ versus [ˈposo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "penso" or "poso" show up more?
"penso" is the more common of the two: it sits at frequency rank #37,774 in our Spanish list, against #46,740 for "poso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "penso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "poso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,994 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "penso" and "poso" also get mixed up with nearby pairs, the highest-scored neighbour is "poso vs probo". 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 #6,994 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