Which to use
“idea” and “ides” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #32,851
- “idea” frequency rank
- #42,389
- “ides” frequency rank
- 75240
- confusion score
Side-by-Side Comparison
| Feature | idea | ides |
|---|---|---|
| Definition | Idée. | 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 idea and ides
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. idea (VCVV) and ides (VCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between idea and ides
A purely visual mix-up. idea (\aɪ.ˈdi.ə\) 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 differ by a single letter - a in “idea” becomes s in “ides”. Our composite confusion score for this pair is 75240, derived from the frequency rank of both members and their visual similarity.
idea is recorded at frequency rank #32,851, classified as anoun, pronounced \aɪ.ˈdi.ə\. 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 75240, this pair ranks #34,667 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of idea vs ides
Shared letters: dei. Private to "idea": a. Private to "ides": s.
"idea" · 4 letters · shape VCVV · "ides" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Do "idea" and "ides" mean the same thing in a sentence?
Frequency check: "idea" vs "ides" - which ranks higher?
After this comparison
Eye-level mix-up between "idea" and "ides" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "idea" 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 #34,667 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "idea" 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 #34,667 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.