Which to use
“ions” is a noun and “iss” is a verb - they look or sound alike but fill different roles in a sentence.
- #17,978
- “ions” frequency rank
- #22,303
- “iss” frequency rank
- 40281
- confusion score
Side-by-Side Comparison
| Feature | ions | iss |
|---|---|---|
| Definition | Pluriel de ion. | Deuxième personne du singulier de l’impératif présent de essen. |
Where the eye mixes ions and iss
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ions with iss
These two trip readers on the page rather than in the ear: ions is \jɔ̃\ while iss is \ɪs\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 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 40281, derived from the frequency rank of both members and their visual similarity.
ions is recorded at frequency rank #17,978, classified as anoun, pronounced \jɔ̃\. iss is at rank #22,303, tagged as averb, pronounced \ɪs\.
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 40281, this pair ranks #241,670 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ions vs iss
Shared letters: is. Private to "ions": no. Private to "iss": -.
"ions" · 4 letters · shape VVCC · "iss" · 3 letters · shape VCC
Known mistypes of this pair
- ions ← inos · ionns · ionss · iosn · oins
Frequently Asked Questions
Can "ions" and "iss" be used interchangeably?
Which is more common, "ions" or "iss"?
After this comparison
Eye-level mix-up between "ions" and "iss" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ions" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iss" - compare definitions side by side with the headword page. Word entry
- This pair ranks #241,670 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ions" and "iss" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iss". 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 #241,670 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.