íonvsIVAConfusable pair

Quick tell: íon is a noun, IVA is an abbrev, so they fill different roles in a sentence.

Which to use

“íon” is a noun and “IVA” is an abbrev - they look or sound alike but fill different roles in a sentence.

#44,174
“íon” frequency rank
#21,221
“IVA” frequency rank
65395
confusion score

Side-by-Side Comparison

Feature íon IVA
Definition espécie química eletricamente carregada, geralmente um átomo ou molécula que perdeu ou ganhou elétrons sigla de Imposto sobre o Valor Acrescentado

Letter map: íon vs IVA

Shared letters muted; letters that set íon and IVA apart highlighted. No shared letter run. íon (VVC) and IVA (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
íon
3 ch
IVA

Part-of-speech tell for íon / IVA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: íon is anoun and IVAanabbrev. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 65395, derived from the frequency rank of both members and their visual similarity.

íon is recorded at frequency rank #44,174, classified as anoun. IVA is at rank #21,221, tagged as anabbrev, pronounced /ˈivɜ/.

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 65395, this pair ranks #5,399 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of íon vs IVA

Shared letters: none. Private to "íon": noí. Private to "IVA": aiv.

"íon" · 3 letters · shape VVC  ·  "IVA" · 3 letters · shape VCV

Frequently Asked Questions

Do "íon" and "IVA" mean the same thing in a sentence?
No - they are not even the same part of speech. "íon" is a noun and "IVA" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "íon" or "IVA"?
"IVA" is the more common of the two: it sits at frequency rank #21,221 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

You've compared "íon" and "IVA". Here's where to go from here.

  • Full dictionary entry for "íon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IVA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,399 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "íon" and "IVA" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs íon". Nearby pair

Confusion rank #5,399 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