duermevsDueroConfusable pair

Quick tell: duerme is a verb, Duero is a name, so they fill different roles in a sentence.

Which to use

“duerme” is a verb and “Duero” is a name - they look or sound alike but fill different roles in a sentence.

#5,824
“duerme” frequency rank
#19,706
“Duero” frequency rank
25530
confusion score

Side-by-Side Comparison

Feature duerme Duero
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de dormir o de dormirse. Río de la vertiente atlántica en España y Portugal. El río se llama Durius en latín y Δουριος en griego. Parece un topónimo claramente prerromano: la raíz dur- parece que tiene el sentido de curso de agua en distintos países de Europa occidental. Pueden estar emparentados Duruelo (Segovia), Duruelo de la Sierra (Soria), que parecen diminutivos de Duero.

Where the eye mixes duerme and Duero

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. duerme runs 6 letters (CVVCCV) against Duero's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
duerme
5 ch
Duero

Look-alike desk: duerme vs Duero

These two trip readers on the page rather than in the ear: duerme is [ˈd̪weɾme] while Duero is [ˈd̪weɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 25530, derived from the frequency rank of both members and their visual similarity.

duerme is recorded at frequency rank #5,824, classified as averb, pronounced [ˈd̪weɾme]. Duero is at rank #19,706, tagged as aname, pronounced [ˈd̪weɾo].

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 25530, this pair ranks #236,023 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of duerme vs Duero

Shared letters: deru. Private to "duerme": m. Private to "Duero": o.

"duerme" · 6 letters · shape CVVCCV  ·  "Duero" · 5 letters · shape CVVCV

Known mistypes of this pair

  • duerme ← dduerme · deurme · duemre · duerem · duermme · duerrme · dureme · uderme
  • Duero ← dduero · deuro · dueor · duerro · dureo · udero

Frequently Asked Questions

Do "duerme" and "Duero" mean the same thing in a sentence?
No - they are not even the same part of speech. "duerme" is a verb and "Duero" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "duerme" vs "Duero" - which ranks higher?
"duerme" is the more common of the two: it sits at frequency rank #5,824 in our Spanish list, against #19,706 for "Duero". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "duerme" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Duero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #236,023 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "duerme" and "Duero" also get mixed up with nearby pairs, the highest-scored neighbour is "ducto vs Duero". 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 #236,023 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