Which to use
“ser” is a verb and “sur” is a noun - they look or sound alike but fill different roles in a sentence.
- #39
- “ser” frequency rank
- #517
- “sur” frequency rank
- 556
- confusion score
Side-by-Side Comparison
| Feature | ser | sur |
|---|---|---|
| Definition | Tener algo una determinada naturaleza, propiedad o cualidad estable. | Punto cardinal del horizonte, exactamente donde se encuentra el Sol a mediodía (en el hemisferio norte), marcado a 180° con respecto al Norte en una brújula. Convencionalmente se ubica en la parte inferior de los mapas,. |
Where the spellings diverge
Shared letters are muted; the letters that actually set ser and sur apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
ser and sur 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 a single letter - e in “ser” becomes u in “sur” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 556, derived from the frequency rank of both members and their visual similarity.
ser is recorded at frequency rank #39, classified as averb, pronounced [ˈseɾ]. sur is at rank #517, tagged as anoun, pronounced [ˈsuɾ].
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 556, this pair ranks #323,268 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "ser" and "sur" be used interchangeably?
Remembering ser vs sur
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “ser”; for a noun, it's “sur”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ser” entry
- Browse more pairs most likely to be confused. Most confusable