provspuñoWhich spelling fits?

Quick tell: pro is a preposition, puño is a noun, so they fill different roles in a sentence.

Which to use

“pro” is a preposition and “puño” is a noun - they look or sound alike but fill different roles in a sentence.

#1,421
“pro” frequency rank
#10,055
“puño” frequency rank
11476
confusion score

Side-by-Side Comparison

Feature pro puño
Definition Úsase para indicar el beneficiario de una acción o iniciativa. Mano con los dedos cerrados sobre la palma.

Where the eye mixes pro and puño

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

3 ch
pro
4 ch
puño

Visual trap between pro and puño

These two trip readers on the page rather than in the ear: pro is [ˈpɾo] while puño is [ˈpuɲo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11476, derived from the frequency rank of both members and their visual similarity.

pro is recorded at frequency rank #1,421, classified as aprep, pronounced [ˈpɾo]. puño is at rank #10,055, tagged as anoun, pronounced [ˈpuɲo].

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 11476, this pair ranks #294,970 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pro vs puño

Shared letters: op. Private to "pro": r. Private to "puño": .

"pro" · 3 letters · shape CCV  ·  "puño" · 4 letters · shape CVCV

Frequently Asked Questions

Is swapping "pro" for "puño" ever safe?
No - they are not even the same part of speech. "pro" is a preposition and "puño" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "pro" or "puño" show up more?
"pro" is the more common of the two: it sits at frequency rank #1,421 in our Spanish list, against #10,055 for "puño". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "pro" and "puño" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "pro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puño" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #294,970 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pro" and "puño" also get mixed up with nearby pairs, the highest-scored neighbour is "pijo vs puño". Nearby pair

Confusion rank #294,970 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