proavsproboWhich spelling fits?

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

Which to use

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

#17,252
“proa” frequency rank
#49,876
“probo” frequency rank
67128
confusion score

Side-by-Side Comparison

Feature proa probo
Definition Extremo delantero de una embarcación. Que tiene probidad; honrado y honesto.

Where the eye mixes proa and probo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
proa
5 ch
probo

Why the eye confuses proa with probo

These two trip readers on the page rather than in the ear: proa is [ˈpɾoa] while probo is [ˈpɾoβ̞o]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 67128, derived from the frequency rank of both members and their visual similarity.

proa is recorded at frequency rank #17,252, classified as anoun, pronounced [ˈpɾoa]. probo is at rank #49,876, tagged as anadj, pronounced [ˈpɾoβ̞o].

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 67128, this pair ranks #37,962 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of proa vs probo

Shared letters: opr. Private to "proa": a. Private to "probo": b.

"proa" · 4 letters · shape CCVV  ·  "probo" · 5 letters · shape CCVCV

Known mistypes of this pair

  • proapora · pproa · prroa
  • proboporbo · pprobo · prboo · probbo · proob · provo · prrobo · rpobo

Frequently Asked Questions

Can "proa" and "probo" be used interchangeably?
No - they are not even the same part of speech. "proa" is a noun and "probo" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "proa" or "probo"?
"proa" is the more common of the two: it sits at frequency rank #17,252 in our Spanish list, against #49,876 for "probo". 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 "proa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "probo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #37,962 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "proa" and "probo" also get mixed up with nearby pairs, the highest-scored neighbour is "Pombo 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 #37,962 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