Which to use
“ist” is a verb and “Ius” is a name - they look or sound alike but fill different roles in a sentence.
- #41,994
- “ist” frequency rank
- #43,081
- “Ius” frequency rank
- 85075
- confusion score
Side-by-Side Comparison
| Feature | ist | Ius |
|---|---|---|
| Definition | Tercera persona del singular (er, sie, es) del presente de indicativo de sein. | Apellido. |
Where the eye mixes ist and Ius
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: ist vs Ius
These two trip readers on the page rather than in the ear: ist is /ɪst/ while Ius is [ˈjus]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 85075, derived from the frequency rank of both members and their visual similarity.
ist is recorded at frequency rank #41,994, classified as averb, pronounced /ɪst/. 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 85075, this pair ranks #6,433 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of ist vs Ius
Shared letters: is. Private to "ist": t. Private to "Ius": u.
"ist" · 3 letters · shape VCC · "Ius" · 3 letters · shape VVC
Frequently Asked Questions
Can "ist" and "Ius" be used interchangeably?
Frequency check: "ist" vs "Ius" - which ranks higher?
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 "ist" 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 #6,433 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ist" and "Ius" also get mixed up with nearby pairs, the highest-scored neighbour is "Ius vs iza". Nearby pair
Confusion rank #6,433 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.