dvsdayTell them apart

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

Which to use

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

#262
“d” frequency rank
#5,598
“day” frequency rank
5860
confusion score

Side-by-Side Comparison

Feature d day
Definition Cuarta letra del alfabeto español. Su nombre es de. Día.

Where the eye mixes d and day

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

1 ch
d
3 ch
day

Visual trap between d and day

These two trip readers on the page rather than in the ear: d is [d̪e] while day is /deɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “d” sits inside “day”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5860, derived from the frequency rank of both members and their visual similarity.

d is recorded at frequency rank #262, classified as acharacter, pronounced [d̪e]. day is at rank #5,598, tagged as anoun, pronounced /deɪ/.

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 5860, this pair ranks #312,468 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of d vs day

Shared letters: d. Private to "d": -. Private to "day": ay.

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

Frequently Asked Questions

Do "d" and "day" mean the same thing in a sentence?
No - they are not even the same part of speech. "d" is a character and "day" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "d" vs "day" - which ranks higher?
"d" is the more common of the two: it sits at frequency rank #262 in our Spanish list, against #5,598 for "day". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "d" and "day" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "d" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "day" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #312,468 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "d" and "day" also get mixed up with nearby pairs, the highest-scored neighbour is "dade vs day". Nearby pair

Confusion rank #312,468 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