ionvsireTell them apart

Which to use

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

#22,745
“ion” frequency rank
#21,373
“ire” frequency rank
44118
confusion score

Side-by-Side Comparison

Feature ion ire
Definition Partícula cargada eléctricamente constituida por un átomo o molécula que no es eléctricamente neutro. Ira.

Where the eye mixes ion and ire

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ion
3 ch
ire

Why the eye confuses ion with ire

A purely visual mix-up. ion ([ˈjõn]) and ire ([aɪəʳ]) 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 44118, 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]. ire is at rank #21,373, tagged as anoun, pronounced [aɪəʳ].

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 44118, this pair ranks #138,818 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ion vs ire

Shared letters: i. Private to "ion": no. Private to "ire": er.

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

Frequently Asked Questions

Is swapping "ion" for "ire" ever safe?
No. They are said differently ([ˈjõn] versus [aɪəʳ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ion" vs "ire" - which ranks higher?
"ire" is the more common of the two: it sits at frequency rank #21,373 in our Spanish list, against #22,745 for "ion". 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 "ire" 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 "ire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #138,818 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ion" and "ire" also get mixed up with nearby pairs, the highest-scored neighbour is "ion vs iza". Nearby pair

Confusion rank #138,818 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list