ureavsurnaTell them apart

Which to use

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

#47,479
“urea” frequency rank
#15,245
“urna” frequency rank
62724
confusion score

Side-by-Side Comparison

Feature urea urna
Definition Compuesto orgánico que contiene gran cantidad de nitrógeno y constituye la mayor parte de la materia orgánica contenida en la orina. Es muy soluble en el agua, cristalizable, inodoro e incoloro. Tipo de vasija o caja especial destinada a guardar objetos de valor o las cenizas de los muertos (urna funeraria).

Where the eye mixes urea and urna

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. urea (VCVV) and urna (VCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
urea
4 ch
urna

Look-alike desk: urea vs urna

A purely visual mix-up. urea ([uˈɾea]) and urna ([ˈuɾna]) 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 a single letter - e in “urea” becomes n in “urna”. Our composite confusion score for this pair is 62724, derived from the frequency rank of both members and their visual similarity.

urea is recorded at frequency rank #47,479, classified as anoun, pronounced [uˈɾea]. urna is at rank #15,245, tagged as anoun, pronounced [ˈuɾna].

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 62724, this pair ranks #51,042 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of urea vs urna

Shared letters: aru. Private to "urea": e. Private to "urna": n.

"urea" · 4 letters · shape VCVV  ·  "urna" · 4 letters · shape VCCV

Known mistypes of this pair

  • urea ← ruea · uera · urae · urrea
  • urna ← unra · uran · urnna · urrna

Frequently Asked Questions

Is swapping "urea" for "urna" ever safe?
No. They are said differently ([uˈɾea] versus [ˈuɾna]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "urea" or "urna"?
"urna" is the more common of the two: it sits at frequency rank #15,245 in our Spanish list, against #47,479 for "urea". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "urea" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "urna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,042 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "urea" and "urna" also get mixed up with nearby pairs, the highest-scored neighbour is "urea vs Uriel". 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 #51,042 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