díasvsdunasWhat's the difference?

Which to use

“días” and “dunas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#158
“días” frequency rank
#22,672
“dunas” frequency rank
22830
confusion score

Side-by-Side Comparison

Feature días dunas
Definition Forma del plural de día. Forma del plural de duna.

Where the eye mixes días and dunas

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
días
5 ch
dunas

Why the eye confuses días with dunas

A purely visual mix-up. días ([ˈd̪ias]) and dunas ([ˈd̪unas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22830, derived from the frequency rank of both members and their visual similarity.

días is recorded at frequency rank #158, classified as anoun, pronounced [ˈd̪ias]. dunas is at rank #22,672, tagged as anoun, pronounced [ˈd̪unas].

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 22830, this pair ranks #248,551 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of días vs dunas

Shared letters: ads. Private to "días": í. Private to "dunas": nu.

"días" · 4 letters · shape CVVC  ·  "dunas" · 5 letters · shape CVCVC

Known mistypes of this pair

  • dunasddunas · dnuas · duans · dunass · dunnas · dunsa · udnas

Frequently Asked Questions

Is swapping "días" for "dunas" ever safe?
No. They are said differently ([ˈd̪ias] versus [ˈd̪unas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "días" or "dunas" show up more?
"días" is the more common of the two: it sits at frequency rank #158 in our Spanish list, against #22,672 for "dunas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "días" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dunas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #248,551 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "días" and "dunas" also get mixed up with nearby pairs, the highest-scored neighbour is "dimas vs dunas". 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 #248,551 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