primervspriorTell them apart

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

Which to use

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

#31,191
“primer” frequency rank
#43,083
“prior” frequency rank
74274
confusion score

Side-by-Side Comparison

Feature primer prior
Definition Devancer, dominer, l’emporter sur quelqu’un ou sur quelque chose, y imposer sa domination. Note d’usage : À l’origine sans préposition, en ce sens il est d’ordinaire suivi désormais de sur. Antérieur, préalable.

Where the eye mixes primer and prior

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. primer runs 6 letters (CCVCVC) against prior's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
primer
5 ch
prior

Visual trap between primer and prior

These two trip readers on the page rather than in the ear: primer is \pʁi.me\ while prior is \ˈpɹaɪ.ə\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 74274, derived from the frequency rank of both members and their visual similarity.

primer is recorded at frequency rank #31,191, classified as averb, pronounced \pʁi.me\. prior is at rank #43,083, tagged as anadj, pronounced \ˈpɹaɪ.ə\.

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 74274, this pair ranks #37,651 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of primer vs prior

Shared letters: ipr. Private to "primer": em. Private to "prior": o.

"primer" · 6 letters · shape CCVCVC  ·  "prior" · 5 letters · shape CCVVC

Known mistypes of this pair

  • primer ← pirmer · pprimer · priemr · primerr · primmer · primre · prmier · prrimer
  • prior ← piror · pprior · priorr · priro · proir · prrior · rpior

Frequently Asked Questions

Is swapping "primer" for "prior" ever safe?
No - they are not even the same part of speech. "primer" is a verb and "prior" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "primer" vs "prior" - which ranks higher?
"primer" is the more common of the two: it sits at frequency rank #31,191 in our French list, against #43,083 for "prior". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "primer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prior" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #37,651 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "primer" and "prior" also get mixed up with nearby pairs, the highest-scored neighbour is "priée vs prior". 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 #37,651 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list