ideavsiesConfusable pair

Which to use

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

#32,851
“idea” frequency rank
#25,358
“ies” frequency rank
58209
confusion score

Side-by-Side Comparison

Feature idea ies
Definition Idée. Pluriel de ie.

Where the eye mixes idea and ies

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
idea
3 ch
ies

Why the eye confuses idea with ies

A purely visual mix-up. idea (\aɪ.ˈdi.ə\) and ies (\je\) 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 1 letter(s) in length. Our composite confusion score for this pair is 58209, 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\. ies is at rank #25,358, tagged as anoun, pronounced \je\.

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 58209, this pair ranks #110,409 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of idea vs ies

Shared letters: ei. Private to "idea": ad. Private to "ies": s.

"idea" · 4 letters · shape VCVV  ·  "ies" · 3 letters · shape VVC

Known mistypes of this pair

  • ideadiea · idae · iddea · ieda

Frequently Asked Questions

Is swapping "idea" for "ies" ever safe?
No. They are said differently (\aɪ.ˈdi.ə\ versus \je\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "idea" vs "ies" - which ranks higher?
"ies" is the more common of the two: it sits at frequency rank #25,358 in our French list, against #32,851 for "idea". 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 "idea" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ies" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,409 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "idea" and "ies" also get mixed up with nearby pairs, the highest-scored neighbour is "idea 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 #110,409 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