Which to use
“ins” is a preposition and “ios” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,695
- “ins” frequency rank
- #8,870
- “ios” frequency rank
- 34565
- confusion score
Side-by-Side Comparison
| Feature | ins | ios |
|---|---|---|
| Definition | Contraction de in das, décrit un mouvement vers l'intérieur de quelque chose. | Pluriel de io. |
Where the eye mixes ins and ios
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: ins vs ios
These two trip readers on the page rather than in the ear: ins is \ɪns\ while ios is \jo\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “ins” becomes o in “ios”, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34565, derived from the frequency rank of both members and their visual similarity.
ins is recorded at frequency rank #25,695, classified as aprep, pronounced \ɪns\. ios is at rank #8,870, tagged as anoun, pronounced \jo\.
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 34565, this pair ranks #282,893 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ins vs ios
Shared letters: is. Private to "ins": n. Private to "ios": o.
"ins" · 3 letters · shape VCC · "ios" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "ins" for "ios" ever safe?
Frequency check: "ins" vs "ios" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ins" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ios" - compare definitions side by side with the headword page. Word entry
- This pair ranks #282,893 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ins" and "ios" also get mixed up with nearby pairs, the highest-scored neighbour is "ins vs isi". Nearby pair
Confusion rank #282,893 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.