IssoirevsivoireTell them apart

Quick tell: Issoire is a name, ivoire is a noun, so they fill different roles in a sentence.

Which to use

“Issoire” is a name and “ivoire” is a noun - they look or sound alike but fill different roles in a sentence.

#49,742
“Issoire” frequency rank
#4,079
“ivoire” frequency rank
53821
confusion score

Side-by-Side Comparison

Feature Issoire ivoire
Definition Commune française, située dans le département du Puy-de-Dôme. Substance dure, blanche, opaque qui est la matière principale des dents et des défenses d’animaux comme l’éléphant, l’hippopotame, le morse.

Where the eye mixes Issoire and ivoire

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Issoire runs 7 letters (VCCVVCV) against ivoire's 6 (VCVVCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
Issoire
6 ch
ivoire

Visual trap between Issoire and ivoire

These two trip readers on the page rather than in the ear: Issoire is \i.swaʁ\ while ivoire is \i.vwaʁ\. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 53821, derived from the frequency rank of both members and their visual similarity.

Issoire is recorded at frequency rank #49,742, classified as aname, pronounced \i.swaʁ\. ivoire is at rank #4,079, tagged as anoun, pronounced \i.vwaʁ\.

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 53821, this pair ranks #138,151 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Issoire vs ivoire

Shared letters: eior. Private to "Issoire": s. Private to "ivoire": v.

"Issoire" · 7 letters · shape VCCVVCV  ·  "ivoire" · 6 letters · shape VCVVCV

Known mistypes of this pair

  • Issoire ← isoire · isosire · issiore · issoier · issoirre · issorie · sisoire
  • ivoire ← iovire · iviore · ivoier · ivoirre · ivorie · ivvoire · vioire

Frequently Asked Questions

Is swapping "Issoire" for "ivoire" ever safe?
No - they are not even the same part of speech. "Issoire" is a name and "ivoire" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Issoire" or "ivoire"?
"ivoire" is the more common of the two: it sits at frequency rank #4,079 in our French list, against #49,742 for "Issoire". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "Issoire" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ivoire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #138,151 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Issoire" and "ivoire" also get mixed up with nearby pairs, the highest-scored neighbour is "inspire vs Issoire". 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 #138,151 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