Which to use
“ion” is a noun and “iros” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,745
- “ion” frequency rank
- #37,164
- “iros” frequency rank
- 59909
- confusion score
Side-by-Side Comparison
| Feature | ion | iros |
|---|---|---|
| Definition | Partícula cargada eléctricamente constituida por un átomo o molécula que no es eléctricamente neutro. | Segunda persona del plural (vosotros, vosotras) del imperativo afirmativo de irse (con el pronombre «os» enclítico). |
Where the eye mixes ion and iros
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ion runs 3 letters (VVC) against iros's 4 (VCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: ion vs iros
These two trip readers on the page rather than in the ear: ion is [ˈjõn] while iros is [ˈiɾos]. 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 59909, derived from the frequency rank of both members and their visual similarity.
ion is recorded at frequency rank #22,745, classified as anoun, pronounced [ˈjõn]. iros is at rank #37,164, tagged as averb, pronounced [ˈiɾos].
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 59909, this pair ranks #60,857 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of ion vs iros
Shared letters: io. Private to "ion": n. Private to "iros": rs.
"ion" · 3 letters · shape VVC · "iros" · 4 letters · shape VCVC
Known mistypes of this pair
- iros ← iors · iross · irros · irso
Frequently Asked Questions
Is swapping "ion" for "iros" ever safe?
In ordinary Spanish text, does "ion" or "iros" show up more?
Useful next steps
Eye-level mix-up between "ion" and "iros" 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 "iros" - compare definitions side by side with the headword page. Word entry
- This pair ranks #60,857 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ion" and "iros" also get mixed up with nearby pairs, the highest-scored neighbour is "Irish vs iros". 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 #60,857 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.