appartenirvsappartenuWhich spelling fits?

Which to use

“appartenir” and “appartenu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,305
“appartenir” frequency rank
#15,303
“appartenu” frequency rank
27608
confusion score

Side-by-Side Comparison

Feature appartenir appartenu
Definition Être la propriété légitime de quelqu’un, que celui à qui est la chose l’ait en sa possession ou non. Participe passé masculin singulier d'appartenir.

Where the eye mixes appartenir and appartenu

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. appartenir runs 10 letters (VCCVCCVCVC) against appartenu's 9 (VCCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

10 ch
appartenir
9 ch
appartenu

Why the eye confuses appartenir with appartenu

A purely visual mix-up. appartenir (\a.paʁ.tə.niʁ\) and appartenu (\a.paʁ.tə.ny\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27608, derived from the frequency rank of both members and their visual similarity.

appartenir is recorded at frequency rank #12,305, classified as averb, pronounced \a.paʁ.tə.niʁ\. appartenu is at rank #15,303, tagged as averb, pronounced \a.paʁ.tə.ny\.

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 27608, this pair ranks #327,941 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of appartenir vs appartenu

Shared letters: aenprt. Private to "appartenir": i. Private to "appartenu": u.

"appartenir" · 10 letters · shape VCCVCCVCVC  ·  "appartenu" · 9 letters · shape VCCVCCVCV

Known mistypes of this pair

  • appartenir ← apaprtenir · apartenir · apparetnir · apparrtenir · apparteinr · appartenirr · appartennir · appartenri
  • appartenu ← apaprtenu · apartenu · apparetnu · apparrtenu · appartennu · apparteun · appartneu · apparttenu

Frequently Asked Questions

Do "appartenir" and "appartenu" mean the same thing in a sentence?
No. They are said differently (\a.paʁ.tə.niʁ\ versus \a.paʁ.tə.ny\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "appartenir" or "appartenu"?
"appartenir" is the more common of the two: it sits at frequency rank #12,305 in our French list, against #15,303 for "appartenu". 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 "appartenir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "appartenu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #327,941 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "appartenir" and "appartenu" also get mixed up with nearby pairs, the highest-scored neighbour is "appartenu vs appartiens". 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 #327,941 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