pilivspilloWhich spelling fits?

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

Which to use

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

#44,924
“pili” frequency rank
#18,643
“pillo” frequency rank
63567
confusion score

Side-by-Side Comparison

Feature pili pillo
Definition Forma del plural de pal ('palas'). Se dice del pícaro que no tiene crianza ni buenos modales.

Where the eye mixes pili and pillo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. pili runs 4 letters (CVCV) against pillo's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
pili
5 ch
pillo

Look-alike desk: pili vs pillo

These two trip readers on the page rather than in the ear: pili is [ˈpiː.li] while pillo is [ˈpiʝo]. 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 63567, derived from the frequency rank of both members and their visual similarity.

pili is recorded at frequency rank #44,924, classified as anoun, pronounced [ˈpiː.li]. pillo is at rank #18,643, tagged as anadj, pronounced [ˈpiʝo].

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 63567, this pair ranks #48,345 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of pili vs pillo

Shared letters: ilp. Private to "pili": -. Private to "pillo": o.

"pili" · 4 letters · shape CVCV  ·  "pillo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • pili ← ipli · piil · pilli · plii · ppili
  • pillo ← ipllo · pilo · pilol · plilo · ppillo

Frequently Asked Questions

Is swapping "pili" for "pillo" ever safe?
No - they are not even the same part of speech. "pili" is a noun and "pillo" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "pili" or "pillo" show up more?
"pillo" is the more common of the two: it sits at frequency rank #18,643 in our Spanish list, against #44,924 for "pili". 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 "pili" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pillo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,345 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pili" and "pillo" also get mixed up with nearby pairs, the highest-scored neighbour is "pele vs pili". 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 #48,345 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