de vs DST, What's the Difference?

Which to use

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

#1
“de” frequency rank: #43,896
“DST” frequency rank: 43897
confusion score

Side-by-Side Comparison

Feature	de	DST
Definition	Marque un ablatif. Mot indiquant la provenance, l’origine ^([note 1]).	Service de renseignement, organisme d’État fusionné en 2008 avec la Direction centrale des Renseignements généraux (RG) pour donner naissance à la DCRI.

Where the eye mixes de and DST

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

2 ch

3 ch

DST

Visual trap between de and DST

These two trip readers on the page rather than in the ear: de is \də\ while DST is \de.ɛs.te\. 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 (preposition vs name), which is usually the fastest check. Our composite confusion score for this pair is 43897, derived from the frequency rank of both members and their visual similarity.

de is recorded at frequency rank #1, classified as aprep, pronounced \də\. DST is at rank #43,896, tagged as aname, pronounced \de.ɛs.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 43897, this pair ranks #214,527 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of de vs DST

Shared letters: d. Private to "de": e. Private to "DST": st.

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

Frequently Asked Questions

Do "de" and "DST" mean the same thing in a sentence?

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

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

"de" is the more common of the two: it sits at frequency rank #1 in our French list, against #43,896 for "DST". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "de" and "DST" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "de" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "DST" - compare definitions side by side with the headword page. Word entry
This pair ranks #214,527 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"de" and "DST" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs DST". Nearby pair

Confusion rank #214,527 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.