burvsbusWhat's the difference?

Which to use

“bur” and “bus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#39,230
“bur” frequency rank
#1,554
“bus” frequency rank
40784
confusion score

Side-by-Side Comparison

Feature bur bus
Definition A rough, prickly husk around the seeds or fruit of some plants. A motor vehicle for transporting large numbers of people along roads.

Where the eye mixes bur and bus

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

3 ch
bur
3 ch
bus

Why the eye confuses bur with bus

A purely visual mix-up. bur (/bɝ/) and bus (/bʌs/) 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 a single letter - r in “bur” becomes s in “bus”. Our composite confusion score for this pair is 40784, derived from the frequency rank of both members and their visual similarity.

bur is recorded at frequency rank #39,230, classified as anoun, pronounced /bɝ/. bus is at rank #1,554, tagged as anoun, pronounced /bʌs/.

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 40784, this pair ranks #264,422 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bur vs bus

Shared letters: bu. Private to "bur": r. Private to "bus": s.

"bur" · 3 letters · shape CVC  ·  "bus" · 3 letters · shape CVC

Frequently Asked Questions

Do "bur" and "bus" mean the same thing in a sentence?
No. They are said differently (/bɝ/ versus /bʌs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "bur" vs "bus" - which ranks higher?
"bus" is the more common of the two: it sits at frequency rank #1,554 in our English list, against #39,230 for "bur". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "bur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,422 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bur" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs bur". Nearby pair

Confusion rank #264,422 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list