Which to use
“duda” is a noun and “duden” is a verb - they look or sound alike but fill different roles in a sentence.
- #656
- “duda” frequency rank
- #34,071
- “duden” frequency rank
- 34727
- confusion score
Side-by-Side Comparison
| Feature | duda | duden |
|---|---|---|
| Definition | Acción o efecto de dudar. Dificultad para elegir entre dos o más opciones, o suspensión de tal decisión. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de dudar. |
Where the spellings diverge
Shared letters are muted; the letters that actually set duda and duden apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
duda and duden form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 34727, derived from the frequency rank of both members and their visual similarity.
duda is recorded at frequency rank #656, classified as anoun, pronounced [ˈd̪uð̞a]. duden is at rank #34,071, tagged as averb, pronounced [ˈd̪uð̞ẽn].
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 34727, this pair ranks #189,876 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "duda" and "duden" be used interchangeably?
Remembering duda vs duden
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “duda”; for a verb, it's “duden”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “duda” entry
- Browse more pairs most likely to be confused. Most confusable