bostonvsboulonWhat's the difference?

Which to use

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

#5,633
“boston” frequency rank
#36,733
“boulon” frequency rank
42366
confusion score

Side-by-Side Comparison

Feature boston boulon
Definition Sorte de jeu de cartes qui se joue à quatre personnes et avec un jeu de cinquante-deux cartes. Cheville avec tête ronde, bout percé et clavette, pour arrêter une poutre.

Where the eye mixes boston and boulon

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. boston (CVCCVC) and boulon (CVVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
boston
6 ch
boulon

Why the eye confuses boston with boulon

A purely visual mix-up. boston (\bɔs.tɔ̃\) and boulon (\bu.lɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 42366, derived from the frequency rank of both members and their visual similarity.

boston is recorded at frequency rank #5,633, classified as anoun, pronounced \bɔs.tɔ̃\. boulon is at rank #36,733, tagged as anoun, pronounced \bu.lɔ̃\.

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 42366, this pair ranks #226,153 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of boston vs boulon

Shared letters: bno. Private to "boston": st. Private to "boulon": lu.

"boston" · 6 letters · shape CVCCVC  ·  "boulon" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • boston ← bboston · bosotn · bosston · bostno · bostonn · bostton · botson · bsoton
  • boulon ← bboulon · boluon · boullon · boulno · boulonn · bouoln · buolon · obulon

Frequently Asked Questions

Do "boston" and "boulon" mean the same thing in a sentence?
No. They are said differently (\bɔs.tɔ̃\ versus \bu.lɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "boston" or "boulon"?
"boston" is the more common of the two: it sits at frequency rank #5,633 in our French list, against #36,733 for "boulon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "boston" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "boulon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #226,153 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "boston" and "boulon" also get mixed up with nearby pairs, the highest-scored neighbour is "boson vs boulon". 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 #226,153 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