diablovsdiarioWhat's the difference?

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

Which to use

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

#3,114
“diablo” frequency rank
#846
“diario” frequency rank
3960
confusion score

Side-by-Side Comparison

Feature diablo diario
Definition Entidad sobrenatural que, según algunas religiones, tienta a los humanos a cometer el mal. Dícese de lo que ocurre todos los días.

Where the eye mixes diablo and diario

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
diablo
6 ch
diario

Visual trap between diablo and diario

These two trip readers on the page rather than in the ear: diablo is [ˈd̪jaβ̞lo] while diario is [ˈd̪jaɾjo]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 3960, derived from the frequency rank of both members and their visual similarity.

diablo is recorded at frequency rank #3,114, classified as anoun, pronounced [ˈd̪jaβ̞lo]. diario is at rank #846, tagged as anadj, pronounced [ˈd̪jaɾjo].

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 3960, this pair ranks #317,193 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of diablo vs diario

Shared letters: adio. Private to "diablo": bl. Private to "diario": r.

"diablo" · 6 letters · shape CVVCCV  ·  "diario" · 6 letters · shape CVVCVV

Known mistypes of this pair

  • diablodaiblo · ddiablo · diabblo · diabllo · diabol · dialbo · diavlo · dibalo
  • diariodairio · ddiario · diairo · diaroi · diarrio · diraio · idario

Frequently Asked Questions

Can "diablo" and "diario" be used interchangeably?
No - they are not even the same part of speech. "diablo" is a noun and "diario" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "diablo" or "diario"?
"diario" is the more common of the two: it sits at frequency rank #846 in our Spanish list, against #3,114 for "diablo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "diablo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diario" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #317,193 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "diablo" and "diario" also get mixed up with nearby pairs, the highest-scored neighbour is "diario vs diary". 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 #317,193 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