Which to use
“DDT” and “DEC” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,826
- “DDT” frequency rank
- #18,165
- “DEC” frequency rank
- 65991
- confusion score
Side-by-Side Comparison
| Feature | DDT | DEC |
|---|---|---|
| Definition | 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. | Diplôme d’études collégiales. |
Where the eye mixes DDT and DEC
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: DDT vs DEC
A purely visual mix-up. DDT (\de de te\) and DEC (\dɛk\) 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 65991, derived from the frequency rank of both members and their visual similarity.
DDT is recorded at frequency rank #47,826, classified as anoun, pronounced \de de te\. DEC is at rank #18,165, tagged as anoun, pronounced \dɛk\.
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 65991, this pair ranks #69,830 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of DDT vs DEC
Shared letters: d. Private to "DDT": t. Private to "DEC": ce.
"DDT" · 3 letters · shape CCC · "DEC" · 3 letters · shape CVC
Frequently Asked Questions
Can "DDT" and "DEC" be used interchangeably?
In ordinary French text, does "DDT" or "DEC" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "DDT" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "DEC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #69,830 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "DDT" and "DEC" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs DDT". Nearby pair
Confusion rank #69,830 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.