bomvsbunWhat's the difference?

Quick tell: bom is a adjective, bun is a noun, so they fill different roles in a sentence.

Which to use

“bom” is an adjective and “bun” is a noun - they look or sound alike but fill different roles in a sentence.

#41,679
“bom” frequency rank
#45,486
“bun” frequency rank
87165
confusion score

Side-by-Side Comparison

Feature bom bun
Definition Bon. Brioche, petit pain au lait.

Where the spellings diverge

Shared letters are muted; the letters that actually set bom and bun apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
bom
3 ch
bun

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: bom is \bõ\ while bun is \bœn\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 87165, derived from the frequency rank of both members and their visual similarity.

bom is recorded at frequency rank #41,679, classified as anadj, pronounced \bõ\. bun is at rank #45,486, tagged as anoun, pronounced \bœn\.

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 87165, this pair ranks #8,675 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of bom vs bun

Shared letters: b. Private to "bom": mo. Private to "bun": nu.

"bom" · 3 letters · shape CVC  ·  "bun" · 3 letters · shape CVC

Frequency comparison

bom#41,679
bun#45,486

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "bom" and "bun" be used interchangeably?
No - they are not even the same part of speech. "bom" is an adjective and "bun" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bom" or "bun"?
"bom" is the more common of the two: it sits at frequency rank #41,679 in our French list, against #45,486 for "bun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering bom vs bun

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “bom”; for a noun, it's “bun”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “bom” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list