poovsposoConfusable pair

Which to use

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

#43,780
“poo” frequency rank
#46,740
“poso” frequency rank
90520
confusion score

Side-by-Side Comparison

Feature poo poso
Definition Polvo. 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 poo and poso

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

3 ch
poo
4 ch
poso

Why the eye confuses poo with poso

A purely visual mix-up. poo ([ˈpɔ.o]) 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 90520, derived from the frequency rank of both members and their visual similarity.

poo is recorded at frequency rank #43,780, classified as anoun, pronounced [ˈpɔ.o]. 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 90520, this pair ranks #2,460 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of poo vs poso

Shared letters: op. Private to "poo": -. Private to "poso": s.

"poo" · 3 letters · shape CVV  ·  "poso" · 4 letters · shape CVCV

Known mistypes of this pair

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

Frequently Asked Questions

Can "poo" and "poso" be used interchangeably?
No. They are said differently ([ˈpɔ.o] versus [ˈposo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "poo" or "poso"?
"poo" is the more common of the two: it sits at frequency rank #43,780 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 "poo" 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 #2,460 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "poo" 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 #2,460 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