Which to use
“imp” is a noun and “iu” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #16,907
- “imp” frequency rank
- #46,833
- “iu” frequency rank
- 63740
- confusion score
Side-by-Side Comparison
| Feature | imp | iu |
|---|---|---|
| Definition | Jeune pousse de plante, scion, greffe. | Je. |
Where the eye mixes imp and iu
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: imp vs iu
These two trip readers on the page rather than in the ear: imp is \ɪmp\ while iu is \ˈiu\. 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 (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 63740, derived from the frequency rank of both members and their visual similarity.
imp is recorded at frequency rank #16,907, classified as anoun, pronounced \ɪmp\. iu is at rank #46,833, tagged as apron, pronounced \ˈiu\.
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 63740, this pair ranks #80,444 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of imp vs iu
Shared letters: i. Private to "imp": mp. Private to "iu": u.
"imp" · 3 letters · shape VCC · "iu" · 2 letters · shape VV
Frequently Asked Questions
Is swapping "imp" for "iu" ever safe?
Frequency check: "imp" vs "iu" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "imp" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #80,444 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "imp" and "iu" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iu". Nearby pair
Confusion rank #80,444 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.