ionvsIPATell them apart

Which to use

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

#14,064
“ion” frequency rank
#48,610
“IPA” frequency rank
62674
confusion score

Side-by-Side Comparison

Feature ion IPA
Definition Atome ou molécule ayant perdu ou gagné des électrons sur sa couche externe. Indice de pollution atmosphérique.

Where the eye mixes ion and IPA

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ion (VVC) and IPA (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
ion
3 ch
IPA

Why the eye confuses ion with IPA

A purely visual mix-up. ion (\jɔ̃\) and IPA (\i.pe.a\) 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 62674, derived from the frequency rank of both members and their visual similarity.

ion is recorded at frequency rank #14,064, classified as anoun, pronounced \jɔ̃\. IPA is at rank #48,610, tagged as anoun, pronounced \i.pe.a\.

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 62674, this pair ranks #85,923 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ion vs IPA

Shared letters: i. Private to "ion": no. Private to "IPA": ap.

"ion" · 3 letters · shape VVC  ·  "IPA" · 3 letters · shape VCV

Frequently Asked Questions

Can "ion" and "IPA" be used interchangeably?
No. They are said differently (\jɔ̃\ versus \i.pe.a\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ion" vs "IPA" - which ranks higher?
"ion" is the more common of the two: it sits at frequency rank #14,064 in our French list, against #48,610 for "IPA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "ion" and "IPA" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IPA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85,923 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ion" and "IPA" also get mixed up with nearby pairs, the highest-scored neighbour is "IPA vs isi". Nearby pair

Confusion rank #85,923 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