primerasvsprimeroWhat's the difference?

Quick tell: primeras is a adjective, primero is a num, so they fill different roles in a sentence.

Which to use

“primeras” is an adjective and “primero” is a num - they look or sound alike but fill different roles in a sentence.

#1,359
“primeras” frequency rank
#321
“primero” frequency rank
1680
confusion score

Side-by-Side Comparison

Feature primeras primero
Definition Forma del femenino plural de 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 primeras and primero apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

8 ch
primeras
7 ch
primero

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: primeras is [pɾiˈmeɾas] while primero is [pɾiˈmeɾo]. 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 (adjective vs num), which is usually the fastest check. Our composite confusion score for this pair is 1680, derived from the frequency rank of both members and their visual similarity.

primeras is recorded at frequency rank #1,359, classified as anadj, pronounced [pɾiˈmeɾas]. 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 1680, this pair ranks #321,632 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of primeras vs primero

Shared letters: eimpr. Private to "primeras": as. Private to "primero": o.

"primeras" · 8 letters · shape CCVCVCVC  ·  "primero" · 7 letters · shape CCVCVCV

Known mistypes of this pair

  • primeraspirmeras · pprimeras · priemras · primears · primerass · primerras · primersa · primmeras
  • primeropirmero · pprimero · priemro · primeor · primerro · primmero · primreo · prmiero

Frequency comparison

primeras#1,359
primero#321

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "primeras" and "primero" be used interchangeably?
No - they are not even the same part of speech. "primeras" is an adjective and "primero" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "primeras" or "primero"?
"primero" is the more common of the two: it sits at frequency rank #321 in our Spanish list, against #1,359 for "primeras". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering primeras vs primero

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “primeras”; for a num, it's “primero”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “primeras” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list