Which to use
“primario” is an adjective and “primero” is a num - they look or sound alike but fill different roles in a sentence.
- #9,706
- “primario” frequency rank
- #321
- “primero” frequency rank
- 10027
- confusion score
Side-by-Side Comparison
| Feature | primario | primero |
|---|---|---|
| Definition | Que precede a los demás en orden o grado (primero). | Que está antes que todos los demás en una serie ordenada (tiempo, clase, etc.). Ordinal del uno. |
Where the spellings diverge
Shared letters are muted; the letters that actually set primario and primero apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
primario and primero 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 10027, derived from the frequency rank of both members and their visual similarity.
primario is recorded at frequency rank #9,706, classified as anadj, pronounced [pɾiˈmaɾjo]. primero is at rank #321, tagged as anum, pronounced [pɾiˈmeɾo].
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 10027, this pair ranks #300,071 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "primario" and "primero" be used interchangeably?
Remembering primario vs primero
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “primario”; for a num, it's “primero”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “primario” entry
- Browse more pairs most likely to be confused. Most confusable