puvspuroWhich spelling fits?

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

Which to use

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

#12,906
“pu” frequency rank
#2,522
“puro” frequency rank
15428
confusion score

Side-by-Side Comparison

Feature pu puro
Definition Variante de puf. Que no ha sido contaminado.

Where the eye mixes pu and puro

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

2 ch
pu
4 ch
puro

Why the eye confuses pu with puro

These two trip readers on the page rather than in the ear: pu is [ˈpu] while puro is [ˈpuɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “pu” sits inside “puro”, and the parts of speech differ too (intj vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 15428, derived from the frequency rank of both members and their visual similarity.

pu is recorded at frequency rank #12,906, classified as anintj, pronounced [ˈpu]. 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 15428, this pair ranks #280,186 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pu vs puro

Shared letters: pu. Private to "pu": -. Private to "puro": or.

"pu" · 2 letters · shape CV  ·  "puro" · 4 letters · shape CVCV

Known mistypes of this pair

  • puroppuro · pruo · puor · purro · upro

Frequently Asked Questions

Is swapping "pu" for "puro" ever safe?
No - they are not even the same part of speech. "pu" is an intj and "puro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pu" vs "puro" - which ranks higher?
"puro" is the more common of the two: it sits at frequency rank #2,522 in our Spanish list, against #12,906 for "pu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "pu" 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 #280,186 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pu" and "puro" also get mixed up with nearby pairs, the highest-scored neighbour is "PRC vs pu". 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 #280,186 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