pisvsposoWhat's the difference?

Which to use

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

#19,527
“pis” frequency rank
#46,740
“poso” frequency rank
66267
confusion score

Side-by-Side Comparison

Feature pis poso
Definition Secreción líquida de los riñones, conducida a la vejiga por los uréteres y expelida por la uretra. 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 pis and poso

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. pis runs 3 letters (CVC) against poso's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
pis
4 ch
poso

Look-alike desk: pis vs poso

A purely visual mix-up. pis ([ˈpis]) 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 66267, derived from the frequency rank of both members and their visual similarity.

pis is recorded at frequency rank #19,527, classified as anoun, pronounced [ˈpis]. 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 66267, this pair ranks #40,313 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of pis vs poso

Shared letters: ps. Private to "pis": i. Private to "poso": o.

"pis" · 3 letters · shape CVC  ·  "poso" · 4 letters · shape CVCV

Known mistypes of this pair

  • poso ← opso · poos · posso · pposo · psoo

Frequently Asked Questions

Is swapping "pis" for "poso" ever safe?
No. They are said differently ([ˈpis] versus [ˈposo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "pis" vs "poso" - which ranks higher?
"pis" is the more common of the two: it sits at frequency rank #19,527 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.

Useful next steps

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

  • Full dictionary entry for "pis" 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 #40,313 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pis" 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 #40,313 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