Which to use
“PACS” and “PCB” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,899
- “PACS” frequency rank
- #45,779
- “PCB” frequency rank
- 75678
- confusion score
Side-by-Side Comparison
| Feature | PACS | PCB |
|---|---|---|
| Definition | Pacte civil de solidarité. | Polychlorobiphényle. |
Where the eye mixes PACS and PCB
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. PACS runs 4 letters (CVCC) against PCB's 3 (CCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between PACS and PCB
A purely visual mix-up. PACS (\paks\) and PCB (\pe.se.be\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 75678, derived from the frequency rank of both members and their visual similarity.
PACS is recorded at frequency rank #29,899, classified as anoun, pronounced \paks\. PCB is at rank #45,779, tagged as anoun, pronounced \pe.se.be\.
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 75678, this pair ranks #33,343 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of PACS vs PCB
Shared letters: cp. Private to "PACS": as. Private to "PCB": b.
"PACS" · 4 letters · shape CVCC · "PCB" · 3 letters · shape CCC
Known mistypes of this pair
- PACS ← apcs · paccs · pacss · pasc · pcas · ppacs
Frequently Asked Questions
Is swapping "PACS" for "PCB" ever safe?
Frequency check: "PACS" vs "PCB" - which ranks higher?
Useful next steps
Eye-level mix-up between "PACS" and "PCB" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "PACS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "PCB" - compare definitions side by side with the headword page. Word entry
- This pair ranks #33,343 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "PACS" and "PCB" also get mixed up with nearby pairs, the highest-scored neighbour is "PCB vs pio". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #33,343 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.