devsDSPWhat's the difference?

Quick tell: de is a preposition, DSP is a noun, so they fill different roles in a sentence.

Which to use

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

#1
“de” frequency rank
#40,721
“DSP” frequency rank
40722
confusion score

Side-by-Side Comparison

Feature de DSP
Definition Marque un ablatif. Mot indiquant la provenance, l’origine ^([note 1]). Sorte de microprocesseur spécialisé dans le traitement du signal.

Where the eye mixes de and DSP

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

2 ch
de
3 ch
DSP

Why the eye confuses de with DSP

These two trip readers on the page rather than in the ear: de is \də\ while DSP is \de.ɛs.pe\. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 40722, derived from the frequency rank of both members and their visual similarity.

de is recorded at frequency rank #1, classified as aprep, pronounced \də\. DSP is at rank #40,721, tagged as anoun, pronounced \de.ɛs.pe\.

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 40722, this pair ranks #238,392 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of de vs DSP

Shared letters: d. Private to "de": e. Private to "DSP": ps.

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

Frequently Asked Questions

Can "de" and "DSP" be used interchangeably?
No - they are not even the same part of speech. "de" is a preposition and "DSP" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "de" vs "DSP" - which ranks higher?
"de" is the more common of the two: it sits at frequency rank #1 in our French list, against #40,721 for "DSP". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "de" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "DSP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #238,392 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "de" and "DSP" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs DSP". Nearby pair

Confusion rank #238,392 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list