Which to use
“ill” is an adjective and “IPA” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,649
- “ill” frequency rank
- #48,610
- “IPA” frequency rank
- 64259
- confusion score
Side-by-Side Comparison
| Feature | ill | IPA |
|---|---|---|
| Definition | Malade, malsain. | Indice de pollution atmosphérique. |
Where the eye mixes ill and IPA
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: ill is \ˈɪl\ while IPA is \i.pe.a\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 64259, derived from the frequency rank of both members and their visual similarity.
ill is recorded at frequency rank #15,649, classified as anadj, pronounced \ˈɪl\. IPA is at rank #48,610, tagged as anoun, pronounced \i.pe.a\.
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 64259, this pair ranks #77,908 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of ill vs IPA
Shared letters: i. Private to "ill": l. Private to "IPA": ap.
"ill" · 3 letters · shape VCC · "IPA" · 3 letters · shape VCV