ibisvsidesWhich spelling fits?

Which to use

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

#31,067
“ibis” frequency rank
#42,389
“ides” frequency rank
73456
confusion score

Side-by-Side Comparison

Feature ibis ides
Definition Espèce d'oiseau échassier de la famille des threskiornithidés, au bec long, mince et recourbé. Le quinzième jour des mois de mars, de mai, de juillet et d’octobre dans le calendrier des anciens Romains, et le treizième des autres mois.

Where the eye mixes ibis and ides

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ibis and ides follow the identical consonant-vowel pattern (VCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
ibis
4 ch
ides

Visual trap between ibis and ides

A purely visual mix-up. ibis (\i.bis\) and ides (\id\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 73456, derived from the frequency rank of both members and their visual similarity.

ibis is recorded at frequency rank #31,067, classified as anoun, pronounced \i.bis\. ides is at rank #42,389, tagged as anoun, pronounced \id\.

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 73456, this pair ranks #40,408 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ibis vs ides

Shared letters: is. Private to "ibis": b. Private to "ides": de.

"ibis" · 4 letters · shape VCVC  ·  "ides" · 4 letters · shape VCVC

Known mistypes of this pair

  • ibis ← biis · ibbis · ibiss · ibsi · iibs
  • ides ← iddes · idess · ieds

Frequently Asked Questions

Can "ibis" and "ides" be used interchangeably?
No. They are said differently (\i.bis\ versus \id\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ibis" vs "ides" - which ranks higher?
"ibis" is the more common of the two: it sits at frequency rank #31,067 in our French list, against #42,389 for "ides". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "ibis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ides" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #40,408 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ibis" and "ides" also get mixed up with nearby pairs, the highest-scored neighbour is "ides vs ime". 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 #40,408 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