ir vs Ius, What's the Difference?

Which to use

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

#186
“ir” frequency rank: #43,081
“Ius” frequency rank: 43267
confusion score

Side-by-Side Comparison

Feature	ir	Ius
Definition	Desplazarse de un lugar a otro.	Apellido.

Where the eye mixes ir and Ius

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

2 ch

3 ch

Ius

Look-alike desk: ir vs Ius

These two trip readers on the page rather than in the ear: ir is [ˈiɾ] while Ius is [ˈjus]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 43267, derived from the frequency rank of both members and their visual similarity.

ir is recorded at frequency rank #186, classified as averb, pronounced [ˈiɾ]. Ius is at rank #43,081, tagged as aname, pronounced [ˈjus].

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 43267, this pair ranks #143,616 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ir vs Ius

Shared letters: i. Private to "ir": r. Private to "Ius": su.

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

Frequently Asked Questions

Is swapping "ir" for "Ius" ever safe?

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

Frequency check: "ir" vs "Ius" - which ranks higher?

"ir" is the more common of the two: it sits at frequency rank #186 in our Spanish list, against #43,081 for "Ius". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "ir" and "Ius" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "ir" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Ius" - compare definitions side by side with the headword page. Word entry
This pair ranks #143,616 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"ir" and "Ius" also get mixed up with nearby pairs, the highest-scored neighbour is "Ius vs iza". Nearby pair

Confusion rank #143,616 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.