bunvsbyWhat's the difference?

Which to use

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

#45,486
“bun” frequency rank
#2,462
“by” frequency rank
47948
confusion score

Side-by-Side Comparison

Feature bun by
Definition Brioche, petit pain au lait. Fossé qui traverse un étang, aboutissant à sa bonde.

Where the eye mixes bun and by

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

3 ch
bun
2 ch
by

Visual trap between bun and by

A purely visual mix-up. bun (\bœn\) and by (\bi\) 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 47948, derived from the frequency rank of both members and their visual similarity.

bun is recorded at frequency rank #45,486, classified as anoun, pronounced \bœn\. by is at rank #2,462, tagged as anoun, pronounced \bi\.

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 47948, this pair ranks #182,874 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bun vs by

Shared letters: b. Private to "bun": nu. Private to "by": y.

"bun" · 3 letters · shape CVC  ·  "by" · 2 letters · shape CV

Frequently Asked Questions

Can "bun" and "by" be used interchangeably?
No. They are said differently (\bœn\ versus \bi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "bun" vs "by" - which ranks higher?
"by" is the more common of the two: it sits at frequency rank #2,462 in our French list, against #45,486 for "bun". 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 "bun" and "by" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "bun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "by" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #182,874 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bun" and "by" also get mixed up with nearby pairs, the highest-scored neighbour is "bun vs bury". Nearby pair

Confusion rank #182,874 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