PDFvsPSWhich spelling fits?

Quick tell: PDF is a noun, PS is a symbol, so they fill different roles in a sentence.

Which to use

“PDF” is a noun and “PS” is a symbol - they look or sound alike but fill different roles in a sentence.

#8,903
“PDF” frequency rank
#1,340
“PS” frequency rank
10243
confusion score

Side-by-Side Comparison

Feature PDF PS
Definition Format de document portable, conçu à l'origine pour ne pas être modifiable. Signe distinctif en trafic international des véhicules automobiles immatriculés à Perlis, prescrit dans le cadre de la Convention sur la circulation routière de Genève de 1949 et de la Convention sur la signalisation routière de Vienne de 1968. Perlis se fondra dans la Malaisie en 1957.

Letter map: PDF vs PS

Shared letters muted; letters that set PDF and PS apart highlighted. Shared run: 1.

3 ch
PDF
2 ch
PS

Part-of-speech tell for PDF / PS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: PDF is anoun and PSasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 10243, derived from the frequency rank of both members and their visual similarity.

PDF is recorded at frequency rank #8,903, classified as anoun, pronounced \pe.de.ɛf\. PS is at rank #1,340, tagged as asymbol.

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 10243, this pair ranks #413,711 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of PDF vs PS

Shared letters: p. Private to "PDF": df. Private to "PS": s.

"PDF" · 3 letters · shape CCC  ·  "PS" · 2 letters · shape CC

Frequently Asked Questions

Can "PDF" and "PS" be used interchangeably?
No - they are not even the same part of speech. "PDF" is a noun and "PS" a symbol, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "PDF" or "PS" show up more?
"PS" is the more common of the two: it sits at frequency rank #1,340 in our French list, against #8,903 for "PDF". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "PDF" and "PS".

  • Full dictionary entry for "PDF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #413,711 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "PDF" and "PS" also get mixed up with nearby pairs, the highest-scored neighbour is "PDF vs pio". Nearby pair

Confusion rank #413,711 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