pilavsproaWhich spelling fits?

Which to use

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

#6,716
“pila” frequency rank
#17,252
“proa” frequency rank
23968
confusion score

Side-by-Side Comparison

Feature pila proa
Definition Conjunto de cosas puestas unas sobre otras. Extremo delantero de una embarcación.

Where the eye mixes pila and proa

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

4 ch
pila
4 ch
proa

Visual trap between pila and proa

A purely visual mix-up. pila ([ˈpila]) and proa ([ˈpɾoa]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23968, derived from the frequency rank of both members and their visual similarity.

pila is recorded at frequency rank #6,716, classified as anoun, pronounced [ˈpila]. proa is at rank #17,252, tagged as anoun, pronounced [ˈpɾoa].

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 23968, this pair ranks #243,333 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pila vs proa

Shared letters: ap. Private to "pila": il. Private to "proa": or.

"pila" · 4 letters · shape CVCV  ·  "proa" · 4 letters · shape CCVV

Known mistypes of this pair

  • pilaipla · pial · plia · ppila
  • proapora · pproa · prroa

Frequently Asked Questions

Can "pila" and "proa" be used interchangeably?
No. They are said differently ([ˈpila] versus [ˈpɾoa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "pila" or "proa" show up more?
"pila" is the more common of the two: it sits at frequency rank #6,716 in our Spanish list, against #17,252 for "proa". 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 "pila" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "proa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #243,333 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pila" and "proa" also get mixed up with nearby pairs, the highest-scored neighbour is "proa 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 #243,333 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