PDPvspsaWhich spelling fits?

Which to use

“PDP” and “psa” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,097
“PDP” frequency rank
#15,471
“psa” frequency rank
63568
confusion score

Side-by-Side Comparison

Feature PDP psa
Definition Plateforme de dématérialisation partenaire. Génitif singulier de pes.

Where the eye mixes PDP and psa

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

3 ch
PDP
3 ch
psa

Look-alike desk: PDP vs psa

A purely visual mix-up. PDP (\pe.de.pe\) and psa (\psa\) 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 63568, derived from the frequency rank of both members and their visual similarity.

PDP is recorded at frequency rank #48,097, classified as anoun, pronounced \pe.de.pe\. psa is at rank #15,471, tagged as anoun, pronounced \psa\.

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 63568, this pair ranks #81,334 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of PDP vs psa

Shared letters: p. Private to "PDP": d. Private to "psa": as.

"PDP" · 3 letters · shape CCC  ·  "psa" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "PDP" for "psa" ever safe?
No. They are said differently (\pe.de.pe\ versus \psa\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "PDP" or "psa" show up more?
"psa" is the more common of the two: it sits at frequency rank #15,471 in our French list, against #48,097 for "PDP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "PDP" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "psa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #81,334 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "PDP" and "psa" also get mixed up with nearby pairs, the highest-scored neighbour is "PDP vs prep". Nearby pair

Confusion rank #81,334 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