parvsPCBWhat's the difference?

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

Which to use

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

#28
“par” frequency rank
#45,779
“PCB” frequency rank
45807
confusion score

Side-by-Side Comparison

Feature par PCB
Definition Sert à marquer le mouvement et le passage. Polychlorobiphényle.

Where the eye mixes par and PCB

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

3 ch
par
3 ch
PCB

Look-alike desk: par vs PCB

These two trip readers on the page rather than in the ear: par is \paʁ\ while PCB is \pe.se.be\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45807, derived from the frequency rank of both members and their visual similarity.

par is recorded at frequency rank #28, classified as aprep, pronounced \paʁ\. 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 45807, this pair ranks #199,887 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of par vs PCB

Shared letters: p. Private to "par": ar. Private to "PCB": bc.

"par" · 3 letters · shape CVC  ·  "PCB" · 3 letters · shape CCC

Frequently Asked Questions

Do "par" and "PCB" mean the same thing in a sentence?
No - they are not even the same part of speech. "par" is a preposition and "PCB" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "par" or "PCB"?
"par" is the more common of the two: it sits at frequency rank #28 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.

Useful next steps

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

  • Full dictionary entry for "par" 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 #199,887 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "par" and "PCB" also get mixed up with nearby pairs, the highest-scored neighbour is "PCB vs pio". Nearby pair

Confusion rank #199,887 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