idéevsidesWhat's the difference?

Which to use

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

#354
“idée” frequency rank
#42,389
“ides” frequency rank
42743
confusion score

Side-by-Side Comparison

Feature idée ides
Definition Suggestion. 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 spellings diverge

Shared letters are muted; the letters that actually set idée and ides apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
idée
4 ch
ides

Spelling & Dictionary Insight

A purely visual mix-up. idée (\i.de\) 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 42743, derived from the frequency rank of both members and their visual similarity.

idée is recorded at frequency rank #354, classified as anoun, pronounced \i.de\. 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 42743, this pair ranks #223,258 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idée vs ides

Shared letters: dei. Private to "idée": é. Private to "ides": s.

"idée" · 4 letters · shape VCVV  ·  "ides" · 4 letters · shape VCVC

Known mistypes of this pair

  • idesiddes · idess · ieds

Frequency comparison

idée#354
ides#42,389

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "idée" and "ides" be used interchangeably?
No. They are said differently (\i.de\ versus \id\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "idée" or "ides"?
"idée" is the more common of the two: it sits at frequency rank #354 in our French list, against #42,389 for "ides". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering idée vs ides

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “idée” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list