pillavspolillaConfusable pair

Quick tell: pilla is a verb, polilla is a noun, so they fill different roles in a sentence.

Which to use

“pilla” is a verb and “polilla” is a noun - they look or sound alike but fill different roles in a sentence.

#23,541
“pilla” frequency rank
#32,810
“polilla” frequency rank
56351
confusion score

Side-by-Side Comparison

Feature pilla polilla
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de pillar. Mariposa nocturna de un centímetro de largo, cenicienta, con una mancha negra en las alas, que son horizontales y estrechas, cabeza amarillenta y antenas casi verticales. Su larva, de unos dos milímetros de longitud, se alimenta de borra y hace una especie de capullo, destruyendo para ello la materia en donde anida, que suele ser de lana, tejidos, pieles, papel, etc.

Where the eye mixes pilla and polilla

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. pilla runs 5 letters (CVCCV) against polilla's 7 (CVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
pilla
7 ch
polilla

Visual trap between pilla and polilla

These two trip readers on the page rather than in the ear: pilla is [ˈpiʝa] while polilla is [poˈliʝa]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 56351, derived from the frequency rank of both members and their visual similarity.

pilla is recorded at frequency rank #23,541, classified as averb, pronounced [ˈpiʝa]. polilla is at rank #32,810, tagged as anoun, pronounced [poˈliʝa].

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 56351, this pair ranks #74,978 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of pilla vs polilla

Shared letters: ailp. Private to "pilla": -. Private to "polilla": o.

"pilla" · 5 letters · shape CVCCV  ·  "polilla" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • pilla ← iplla · pilal · plila · ppilla
  • polilla ← oplilla · ploilla · poillla · polila · polilal · pollila · pollilla · ppolilla

Frequently Asked Questions

Is swapping "pilla" for "polilla" ever safe?
No - they are not even the same part of speech. "pilla" is a verb and "polilla" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pilla" or "polilla"?
"pilla" is the more common of the two: it sits at frequency rank #23,541 in our Spanish list, against #32,810 for "polilla". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "pilla" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "polilla" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,978 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pilla" and "polilla" also get mixed up with nearby pairs, the highest-scored neighbour is "patilla vs polilla". 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 #74,978 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