iodovsíonConfusable pair

Which to use

“iodo” and “íon” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,142
“iodo” frequency rank
#44,174
“íon” frequency rank
71316
confusion score

Side-by-Side Comparison

Feature iodo íon
Definition elemento químico de símbolo I, possui o número atômico 53 e massa atômica relativa 126,904 u; é um não-metal, halogênio, de cor negra; apesar de abundante, não é encontrado livre na natureza, ocorrendo principalmente na forma de iodetos e iodatos em rochas, solos, água do mar e depósitos de sal; é utilizado principalmente na medicina, como desinfetante; é um elemento essencial para o corpo humano; sua falta provoca o hipotiroidismo causando o bócio e a mixedema espécie química eletricamente carregada, geralmente um átomo ou molécula que perdeu ou ganhou elétrons

Letter map: iodo vs íon

Shared letters muted; letters that set iodo and íon apart highlighted. Shared run: 1. iodo runs 4 letters (VVCV) against íon's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
iodo
3 ch
íon

Spelling & dictionary notes on iodo vs íon

iodo and íon are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71316, derived from the frequency rank of both members and their visual similarity.

iodo is recorded at frequency rank #27,142, classified as anoun, pronounced /ˈjo.du/. íon is at rank #44,174, tagged as anoun.

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 71316, this pair ranks #3,371 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of iodo vs íon

Shared letters: o. Private to "iodo": di. Private to "íon": ní.

"iodo" · 4 letters · shape VVCV  ·  "íon" · 3 letters · shape VVC

Known mistypes of this pair

  • iodo ← idoo · ioddo · iood · oido

Frequently Asked Questions

Can "iodo" and "íon" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "iodo" or "íon"?
"iodo" is the more common of the two: it sits at frequency rank #27,142 in our Portuguese list, against #44,174 for "íon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "iodo" and "íon".

  • Full dictionary entry for "iodo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "íon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,371 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "iodo" and "íon" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs íon". 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 #3,371 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list