posovspuroConfusable pair

Quick tell: poso is a noun, puro is an adjective, so they fill different roles in a sentence.

Which to use

“poso” is a noun and “puro” is an adjective - they look or sound alike but fill different roles in a sentence.

#46,740
“poso” frequency rank
#2,522
“puro” frequency rank
49262
confusion score

Side-by-Side Comparison

Feature poso puro
Definition 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. Que no ha sido contaminado.

Where the eye mixes poso and puro

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
poso
4 ch
puro

Why the eye confuses poso with puro

These two trip readers on the page rather than in the ear: poso is [ˈposo] while puro is [ˈpuɾo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 49262, derived from the frequency rank of both members and their visual similarity.

poso is recorded at frequency rank #46,740, classified as anoun, pronounced [ˈposo]. puro is at rank #2,522, tagged as anadj, pronounced [ˈpuɾo].

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 49262, this pair ranks #109,826 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of poso vs puro

Shared letters: op. Private to "poso": s. Private to "puro": ru.

"poso" · 4 letters · shape CVCV  ·  "puro" · 4 letters · shape CVCV

Known mistypes of this pair

  • posoopso · poos · posso · pposo · psoo
  • puroppuro · pruo · puor · purro · upro

Frequently Asked Questions

Can "poso" and "puro" be used interchangeably?
No - they are not even the same part of speech. "poso" is a noun and "puro" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "poso" or "puro" show up more?
"puro" is the more common of the two: it sits at frequency rank #2,522 in our Spanish list, against #46,740 for "poso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "poso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #109,826 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "poso" and "puro" 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 #109,826 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