DDT vs de, What's the Difference?

Which to use

“DDT” is a noun and “de” is a preposition - they look or sound alike but fill different roles in a sentence.

#47,826
“DDT” frequency rank: #1
“de” frequency rank: 47827
confusion score

Side-by-Side Comparison

Feature	DDT	de
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.	Marque un ablatif. Mot indiquant la provenance, l’origine ^([note 1]).

Where the eye mixes DDT and de

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

DDT

2 ch

Why the eye confuses DDT with de

These two trip readers on the page rather than in the ear: DDT is \de de te\ while de is \də\. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 47827, 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\. de is at rank #1, tagged as aprep, pronounced \də\.

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 47827, this pair ranks #183,829 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of DDT vs de

Shared letters: d. Private to "DDT": t. Private to "de": e.

"DDT" · 3 letters · shape CCC · "de" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "DDT" for "de" ever safe?

No - they are not even the same part of speech. "DDT" is a noun and "de" a preposition, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "DDT" vs "de" - which ranks higher?

"de" is the more common of the two: it sits at frequency rank #1 in our French list, against #47,826 for "DDT". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "DDT" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "de" - compare definitions side by side with the headword page. Word entry
This pair ranks #183,829 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"DDT" and "de" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs DDT". Nearby pair

Confusion rank #183,829 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.