Which to use
“DCI” and “DDT” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,016
- “DCI” frequency rank
- #47,826
- “DDT” frequency rank
- 96842
- confusion score
Side-by-Side Comparison
| Feature | DCI | DDT |
|---|---|---|
| Definition | Dénomination commune internationale. | Dichlorodiphényltrichloroéthane, insecticide de contact neurotoxique de la famille des organochlorés, dont le nom scientifique est 1,1,1-trichloro-2,2-bis(4-chlorophényl)-éthane. |
Where the eye mixes DCI and DDT
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. DCI (CCV) and DDT (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses DCI with DDT
A purely visual mix-up. DCI (\de.se.i\) and DDT (\de de te\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 96842, derived from the frequency rank of both members and their visual similarity.
DCI is recorded at frequency rank #49,016, classified as anoun, pronounced \de.se.i\. DDT is at rank #47,826, tagged as anoun, pronounced \de de te\.
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 96842, this pair ranks #547 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of DCI vs DDT
Shared letters: d. Private to "DCI": ci. Private to "DDT": t.
"DCI" · 3 letters · shape CCV · "DDT" · 3 letters · shape CCC
Frequently Asked Questions
Is swapping "DCI" for "DDT" ever safe?
In ordinary French text, does "DCI" or "DDT" show up more?
What to do next
Eye-level mix-up between "DCI" and "DDT" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "DCI" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "DDT" - compare definitions side by side with the headword page. Word entry
- This pair ranks #547 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "DCI" and "DDT" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs domi". Nearby pair
Confusion rank #547 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.