ionvsironsWhat's the difference?

Quick tell: ion is a noun, irons is a verb, so they fill different roles in a sentence.

Which to use

“ion” is a noun and “irons” is a verb - they look or sound alike but fill different roles in a sentence.

#14,064
“ion” frequency rank
#17,980
“irons” frequency rank
32044
confusion score

Side-by-Side Comparison

Feature ion irons
Definition Atome ou molécule ayant perdu ou gagné des électrons sur sa couche externe. Première personne du pluriel de l’indicatif futur de aller.

Where the eye mixes ion and irons

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
ion
5 ch
irons

Look-alike desk: ion vs irons

These two trip readers on the page rather than in the ear: ion is \jɔ̃\ while irons is \i.ʁɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 32044, 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\. irons is at rank #17,980, tagged as averb, pronounced \i.ʁɔ̃\.

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 32044, this pair ranks #299,905 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ion vs irons

Shared letters: ino. Private to "ion": -. Private to "irons": rs.

"ion" · 3 letters · shape VVC  ·  "irons" · 5 letters · shape VCVCC

Known mistypes of this pair

  • ironsiorns · irnos · ironns · ironss · irosn · irrons · rions

Frequently Asked Questions

Can "ion" and "irons" be used interchangeably?
No - they are not even the same part of speech. "ion" is a noun and "irons" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "ion" or "irons" show up more?
"ion" is the more common of the two: it sits at frequency rank #14,064 in our French list, against #17,980 for "irons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "irons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #299,905 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ion" and "irons" also get mixed up with nearby pairs, the highest-scored neighbour is "Ilona vs irons". 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 #299,905 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