Which to use
“pillos” is an adjective and “piojos” is a noun - they look or sound alike but fill different roles in a sentence.
- #47,324
- “pillos” frequency rank
- #20,764
- “piojos” frequency rank
- 68088
- confusion score
Side-by-Side Comparison
| Feature | pillos | piojos |
|---|---|---|
| Definition | Forma del plural de pillo₁. | Forma del plural de piojo. |
Where the eye mixes pillos and piojos
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. pillos (CVCCVC) and piojos (CVVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: pillos vs piojos
These two trip readers on the page rather than in the ear: pillos is [ˈpiʝos] while piojos is [ˈpjoxos]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68088, derived from the frequency rank of both members and their visual similarity.
pillos is recorded at frequency rank #47,324, classified as anadj, pronounced [ˈpiʝos]. piojos is at rank #20,764, tagged as anoun, pronounced [ˈpjoxos].
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 68088, this pair ranks #35,407 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of pillos vs piojos
Shared letters: iops. Private to "pillos": l. Private to "piojos": j.
"pillos" · 6 letters · shape CVCCVC · "piojos" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "pillos" for "piojos" ever safe?
In ordinary Spanish text, does "pillos" or "piojos" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pillos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "piojos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #35,407 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "pillos" and "piojos" also get mixed up with nearby pairs, the highest-scored neighbour is "pillen vs pillos". 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 #35,407 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.