itsvsIusTell them apart

Quick tell: its is a adjective, Ius is a name, so they fill different roles in a sentence.

Which to use

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

#18,002
“its” frequency rank
#43,081
“Ius” frequency rank
61083
confusion score

Side-by-Side Comparison

Feature its Ius
Definition Su, sus; que pertenece a un animal o una cosa. Apellido.

Where the eye mixes its and Ius

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

3 ch
its
3 ch
Ius

Visual trap between its and Ius

These two trip readers on the page rather than in the ear: its is /ɪts/ while Ius is [ˈjus]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - t in “its” becomes u in “Ius”, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 61083, derived from the frequency rank of both members and their visual similarity.

its is recorded at frequency rank #18,002, classified as anadj, pronounced /ɪts/. 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 61083, this pair ranks #56,699 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of its vs Ius

Shared letters: is. Private to "its": t. Private to "Ius": u.

"its" · 3 letters · shape VCC  ·  "Ius" · 3 letters · shape VVC

Frequently Asked Questions

Do "its" and "Ius" mean the same thing in a sentence?
No - they are not even the same part of speech. "its" is an adjective and "Ius" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "its" or "Ius"?
"its" is the more common of the two: it sits at frequency rank #18,002 in our Spanish list, against #43,081 for "Ius". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "its" 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 #56,699 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "its" and "Ius" also get mixed up with nearby pairs, the highest-scored neighbour is "Ius vs iza". Nearby pair

Confusion rank #56,699 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list