íon vs ir, What's the Difference?

Which to use

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

#44,174
“íon” frequency rank: #162
“ir” frequency rank: 44336
confusion score

Side-by-Side Comparison

Feature	íon	ir
Definition	espécie química eletricamente carregada, geralmente um átomo ou molécula que perdeu ou ganhou elétrons	mover-se de um lugar para outro

Letter map: íon vs ir

Shared letters muted; letters that set íon and ir apart highlighted. No shared letter run.

3 ch

íon

2 ch

Grammar separator: íon vs ir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: íon is anoun and iraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44336, derived from the frequency rank of both members and their visual similarity.

íon is recorded at frequency rank #44,174, classified as anoun. ir is at rank #162, tagged as averb.

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 44336, this pair ranks #21,161 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of íon vs ir

Shared letters: none. Private to "íon": noí. Private to "ir": ir.

"íon" · 3 letters · shape VVC · "ir" · 2 letters · shape VC

Frequently Asked Questions

Do "íon" and "ir" mean the same thing in a sentence?

No - they are not even the same part of speech. "íon" is a noun and "ir" a verb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "íon" or "ir"?

"ir" is the more common of the two: it sits at frequency rank #162 in our Portuguese list, against #44,174 for "íon". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "íon" vs "ir" is on the table, pick a follow-up below.

Full dictionary entry for "íon" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ir" - compare definitions side by side with the headword page. Word entry
This pair ranks #21,161 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"íon" and "ir" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs íon". Nearby pair

Confusion rank #21,161 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.