PC vs PCB, What's the Difference?

Which to use

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

#2,189
“PC” frequency rank: #45,779
“PCB” frequency rank: 47968
confusion score

Side-by-Side Comparison

Feature	PC	PCB
Definition	Ordinateur personnel compatible avec l’ordinateur IBM PC, par opposition aux autres ordinateurs personnels.	Polychlorobiphényle.

Where the eye mixes PC and PCB

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

PCB

Look-alike desk: PC vs PCB

A purely visual mix-up. PC (\pe.se\) 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 extra letter(s) - “PC” sits inside “PCB”. Our composite confusion score for this pair is 47968, derived from the frequency rank of both members and their visual similarity.

PC is recorded at frequency rank #2,189, classified as anoun, pronounced \pe.se\. 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 47968, this pair ranks #182,721 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of PC vs PCB

Shared letters: cp. Private to "PC": -. Private to "PCB": b.

"PC" · 2 letters · shape CC · "PCB" · 3 letters · shape CCC

Frequently Asked Questions

Do "PC" and "PCB" mean the same thing in a sentence?

No. They are said differently (\pe.se\ versus \pe.se.be\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary French text, does "PC" or "PCB" show up more?

"PC" is the more common of the two: it sits at frequency rank #2,189 in our French list, against #45,779 for "PCB". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "PC" 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 #182,721 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"PC" and "PCB" also get mixed up with nearby pairs, the highest-scored neighbour is "PCB vs pio". Nearby pair

Confusion rank #182,721 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.