Which to use
“io” is a pronoun and “ist” is a verb - they look or sound alike but fill different roles in a sentence.
- #9,480
- “io” frequency rank
- #41,994
- “ist” frequency rank
- 51474
- confusion score
Side-by-Side Comparison
| Feature | io | ist |
|---|---|---|
| Definition | Algo. | Tercera persona del singular (er, sie, es) del presente de indicativo de sein. |
Where the eye mixes io and ist
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between io and ist
These two trip readers on the page rather than in the ear: io is /ˈi.o/ while ist is /ɪst/. 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 (pronoun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51474, derived from the frequency rank of both members and their visual similarity.
io is recorded at frequency rank #9,480, classified as apron, pronounced /ˈi.o/. ist is at rank #41,994, tagged as averb, pronounced /ɪst/.
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 51474, this pair ranks #97,705 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of io vs ist
Shared letters: i. Private to "io": o. Private to "ist": st.
"io" · 2 letters · shape VV · "ist" · 3 letters · shape VCC
Frequently Asked Questions
Can "io" and "ist" be used interchangeably?
Frequency check: "io" vs "ist" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "io" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ist" - compare definitions side by side with the headword page. Word entry
- This pair ranks #97,705 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "io" and "ist" also get mixed up with nearby pairs, the highest-scored neighbour is "ist vs iza". Nearby pair
Confusion rank #97,705 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.