ienvsionsTell them apart

Quick tell: ien is a article, ions is a noun, so they fill different roles in a sentence.

Which to use

“ien” is an article and “ions” is a noun - they look or sound alike but fill different roles in a sentence.

#41,335
“ien” frequency rank
#17,978
“ions” frequency rank
59313
confusion score

Side-by-Side Comparison

Feature ien ions
Definition Un, une Pluriel de ion.

Letter map: ien vs ions

Shared letters muted; letters that set ien and ions apart highlighted. Shared run: 2. ien runs 3 letters (VVC) against ions's 4 (VVCC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
ien
4 ch
ions

Role in the sentence - ien and ions

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ien is anarticle and ionsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59313, derived from the frequency rank of both members and their visual similarity.

ien is recorded at frequency rank #41,335, classified as anarticle. ions is at rank #17,978, tagged as anoun, pronounced \jɔ̃\.

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 59313, this pair ranks #103,861 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ien vs ions

Shared letters: in. Private to "ien": e. Private to "ions": os.

"ien" · 3 letters · shape VVC  ·  "ions" · 4 letters · shape VVCC

Known mistypes of this pair

  • ions ← inos · ionns · ionss · iosn · oins

Frequently Asked Questions

Is swapping "ien" for "ions" ever safe?
No - they are not even the same part of speech. "ien" is an article and "ions" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "ien" or "ions" show up more?
"ions" is the more common of the two: it sits at frequency rank #17,978 in our French list, against #41,335 for "ien". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "ien" and "ions". Here's where to go from here.

  • Full dictionary entry for "ien" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ions" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,861 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ien" and "ions" also get mixed up with nearby pairs, the highest-scored neighbour is "ien vs isi". 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 #103,861 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