Which to use
“idem” is an adverb and “iles” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,513
- “idem” frequency rank
- #14,699
- “iles” frequency rank
- 21212
- confusion score
Side-by-Side Comparison
| Feature | idem | iles |
|---|---|---|
| Definition | De même, pareillement. On l’emploie pour éviter de répéter ce qui vient d’être dit ou écrit. | Parties latérales et inférieures du bas-ventre. |
Where the eye mixes idem and iles
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between idem and iles
These two trip readers on the page rather than in the ear: idem is \i.dɛm\ while iles is \i.lɛs\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 21212, derived from the frequency rank of both members and their visual similarity.
idem is recorded at frequency rank #6,513, classified as anadv, pronounced \i.dɛm\. iles is at rank #14,699, tagged as anoun, pronounced \i.lɛs\.
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 21212, this pair ranks #364,322 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of idem vs iles
Shared letters: ei. Private to "idem": dm. Private to "iles": ls.
"idem" · 4 letters · shape VCVC · "iles" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Can "idem" and "iles" be used interchangeably?
Which is more common, "idem" or "iles"?
After this comparison
Eye-level mix-up between "idem" and "iles" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "idem" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iles" - compare definitions side by side with the headword page. Word entry
- This pair ranks #364,322 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "idem" and "iles" also get mixed up with nearby pairs, the highest-scored neighbour is "iles 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 #364,322 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.