IcavsIusConfusable pair

Which to use

“Ica” and “Ius” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#17,449
“Ica” frequency rank
#43,081
“Ius” frequency rank
60530
confusion score

Side-by-Side Comparison

Feature Ica Ius
Definition Ciudad peruana; capital del departamento homónimo. Apellido.

Where the eye mixes Ica and Ius

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. Ica (VCV) and Ius (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
Ica
3 ch
Ius

Why the eye confuses Ica with Ius

A purely visual mix-up. Ica ([ˈika]) and Ius ([ˈjus]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60530, derived from the frequency rank of both members and their visual similarity.

Ica is recorded at frequency rank #17,449, classified as aname, pronounced [ˈika]. 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 60530, this pair ranks #58,613 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Ica vs Ius

Shared letters: i. Private to "Ica": ac. Private to "Ius": su.

"Ica" · 3 letters · shape VCV  ·  "Ius" · 3 letters · shape VVC

Frequently Asked Questions

Do "Ica" and "Ius" mean the same thing in a sentence?
No. They are said differently ([ˈika] versus [ˈjus]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Ica" or "Ius"?
"Ica" is the more common of the two: it sits at frequency rank #17,449 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

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Ica" 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 #58,613 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Ica" and "Ius" also get mixed up with nearby pairs, the highest-scored neighbour is "Ius vs iza". Nearby pair

Confusion rank #58,613 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