dvsdíaTell them apart

Quick tell: d is a character, día is a noun, so they fill different roles in a sentence.

Which to use

“d” is a character and “día” is a noun - they look or sound alike but fill different roles in a sentence.

#262
“d” frequency rank
#76
“día” frequency rank
338
confusion score

Side-by-Side Comparison

Feature d día
Definition Cuarta letra del alfabeto español. Su nombre es de. Tiempo que tarda la Tierra en dar una vuelta alrededor de su eje, equivalente a 24 horas.

Where the eye mixes d and día

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

1 ch
d
3 ch
día

Visual trap between d and día

These two trip readers on the page rather than in the ear: d is [d̪e] while día is [ˈd̪ia]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “d” sits inside “día”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 338, derived from the frequency rank of both members and their visual similarity.

d is recorded at frequency rank #262, classified as acharacter, pronounced [d̪e]. día is at rank #76, tagged as anoun, pronounced [ˈd̪ia].

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 338, this pair ranks #323,527 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of d vs día

Shared letters: d. Private to "d": -. Private to "día": .

"d" · 1 letters · shape C  ·  "día" · 3 letters · shape CVV

Frequently Asked Questions

Can "d" and "día" be used interchangeably?
No - they are not even the same part of speech. "d" is a character and "día" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "d" vs "día" - which ranks higher?
"día" is the more common of the two: it sits at frequency rank #76 in our Spanish list, against #262 for "d". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "d" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "día" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #323,527 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "d" and "día" also get mixed up with nearby pairs, the highest-scored neighbour is "Deva vs día". Nearby pair

Confusion rank #323,527 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