primevsprimeraTell them apart

Quick tell: prime is a verb, primera is an adjective, so they fill different roles in a sentence.

Which to use

“prime” is a verb and “primera” is an adjective - they look or sound alike but fill different roles in a sentence.

#11,840
“prime” frequency rank
#177
“primera” frequency rank
12017
confusion score

Side-by-Side Comparison

Feature prime primera
Definition Preparar. De una sucesión de cosas la que ocurre o tiene lugar antes que las demás. Forma femenina de primero.

Where the eye mixes prime and primera

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

5 ch
prime
7 ch
primera

Why the eye confuses prime with primera

These two trip readers on the page rather than in the ear: prime is /pɹaɪ̯m/ while primera is [pɾiˈmeɾa]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “prime” sits inside “primera”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 12017, derived from the frequency rank of both members and their visual similarity.

prime is recorded at frequency rank #11,840, classified as averb, pronounced /pɹaɪ̯m/. primera is at rank #177, tagged as anadj, pronounced [pɾiˈmeɾa].

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 12017, this pair ranks #293,043 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prime vs primera

Shared letters: eimpr. Private to "prime": -. Private to "primera": a.

"prime" · 5 letters · shape CCVCV  ·  "primera" · 7 letters · shape CCVCVCV

Known mistypes of this pair

  • primepirme · pprime · priem · primme · prmie · prrime · rpime
  • primerapirmera · pprimera · priemra · primear · primerra · primmera · primrea · prmiera

Frequently Asked Questions

Is swapping "prime" for "primera" ever safe?
No - they are not even the same part of speech. "prime" is a verb and "primera" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "prime" vs "primera" - which ranks higher?
"primera" is the more common of the two: it sits at frequency rank #177 in our Spanish list, against #11,840 for "prime". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "prime" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "primera" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #293,043 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "prime" and "primera" also get mixed up with nearby pairs, the highest-scored neighbour is "prime vs prius". 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 #293,043 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