Which to use
“íon” is a noun and “ISBN” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #44,174
- “íon” frequency rank
- #11,899
- “ISBN” frequency rank
- 56073
- confusion score
Side-by-Side Comparison
| Feature | íon | ISBN |
|---|---|---|
| Definition | espécie química eletricamente carregada, geralmente um átomo ou molécula que perdeu ou ganhou elétrons | sigla formada com as iniciais de International Standard Book Number, sequência numérica de dez ou treze dígitos com a finalidade de identificação numérica de um livro segundo seu título, autor, país, ou código de idioma, e a editora, individualizando inclusive edições diferentes de tal forma que cada livro tenha um número próprio e único |
Letter map: íon vs ISBN
Shared letters muted; letters that set íon and ISBN apart highlighted. Shared run: 1. íon runs 3 letters (VVC) against ISBN's 4 (VCCC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: íon vs ISBN
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: íon is anoun and ISBNanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56073, derived from the frequency rank of both members and their visual similarity.
íon is recorded at frequency rank #44,174, classified as anoun. ISBN is at rank #11,899, tagged as anabbrev.
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 56073, this pair ranks #10,196 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of íon vs ISBN
Shared letters: n. Private to "íon": oí. Private to "ISBN": bis.
"íon" · 3 letters · shape VVC · "ISBN" · 4 letters · shape VCCC
Known mistypes of this pair
- ISBN ← ibsn · isbbn · isbnn · isnb · issbn · sibn
Frequently Asked Questions
Can "íon" and "ISBN" be used interchangeably?
In ordinary Portuguese text, does "íon" or "ISBN" show up more?
What to do next
Done with this confusable. These links stay specific to "íon" and "ISBN".
- Full dictionary entry for "íon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ISBN" - compare definitions side by side with the headword page. Word entry
- This pair ranks #10,196 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "íon" and "ISBN" 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 #10,196 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.