einervsépineConfusable pair

Quick tell: einer is a adjective, épine is a noun, so they fill different roles in a sentence.

Which to use

“einer” is an adjective and “épine” is a noun - they look or sound alike but fill different roles in a sentence.

#48,484
“einer” frequency rank
#20,328
“épine” frequency rank
68812
confusion score

Side-by-Side Comparison

Feature einer épine
Definition Génitif féminin singulier de la déclinaison forte de ein. Branche, feuille, stipule ou partie de feuille transformée en un organe allongé et piquant ; par opposition à l’aiguillon.

Where the eye mixes einer and épine

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. einer (VVCVC) and épine (VCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
einer
5 ch
épine

Visual trap between einer and épine

These two trip readers on the page rather than in the ear: einer is \ˈaɪ̯nɐ\ while épine is \e.pin\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 5 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68812, derived from the frequency rank of both members and their visual similarity.

einer is recorded at frequency rank #48,484, classified as anadj, pronounced \ˈaɪ̯nɐ\. épine is at rank #20,328, tagged as anoun, pronounced \e.pin\.

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 68812, this pair ranks #57,588 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of einer vs épine

Shared letters: ein. Private to "einer": r. Private to "épine": pé.

"einer" · 5 letters · shape VVCVC  ·  "épine" · 5 letters · shape VCVCV

Known mistypes of this pair

  • einer ← eienr · einerr · einner · einre · enier · iener

Frequently Asked Questions

Is swapping "einer" for "épine" ever safe?
No - they are not even the same part of speech. "einer" is an adjective and "épine" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "einer" or "épine" show up more?
"épine" is the more common of the two: it sits at frequency rank #20,328 in our French list, against #48,484 for "einer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "einer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "épine" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,588 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "einer" and "épine" also get mixed up with nearby pairs, the highest-scored neighbour is "einer vs épier". 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 #57,588 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