is vs Ius, What's the Difference?

Which to use

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

#2,727
“is” frequency rank: #43,081
“Ius” frequency rank: 45808
confusion score

Side-by-Side Comparison

Feature	is	Ius
Definition	Tercera persona del singular (he, she, it) del presente simple de be.	Apellido.

Where the eye mixes is and Ius

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

Ius

Look-alike desk: is vs Ius

These two trip readers on the page rather than in the ear: is is /ɪz/ 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 45808, derived from the frequency rank of both members and their visual similarity.

is is recorded at frequency rank #2,727, classified as averb, pronounced /ɪz/. 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 45808, this pair ranks #129,338 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of is vs Ius

Shared letters: is. Private to "is": -. Private to "Ius": u.

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

Frequently Asked Questions

Do "is" and "Ius" mean the same thing in a sentence?

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

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

"is" is the more common of the two: it sits at frequency rank #2,727 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.

Useful next steps

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

Full dictionary entry for "is" 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 #129,338 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"is" and "Ius" also get mixed up with nearby pairs, the highest-scored neighbour is "Ius vs iza". Nearby pair

Confusion rank #129,338 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.