bumpvsbuttConfusable pair

Which to use

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

#7,316
“bump” frequency rank
#4,430
“butt” frequency rank
11746
confusion score

Side-by-Side Comparison

Feature bump butt
Definition A light blow or jolting collision. The larger or thicker end of something; the blunt end, in distinction from the sharp or narrow end

Where the eye mixes bump and butt

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

4 ch
bump
4 ch
butt

Why the eye confuses bump with butt

A purely visual mix-up. bump (/bʌmp/) and butt (/bʌt/) 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 11746, derived from the frequency rank of both members and their visual similarity.

bump is recorded at frequency rank #7,316, classified as anoun, pronounced /bʌmp/. butt is at rank #4,430, tagged as anoun, pronounced /bʌt/.

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 11746, this pair ranks #485,366 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bump vs butt

Shared letters: bu. Private to "bump": mp. Private to "butt": t.

"bump" · 4 letters · shape CVCC  ·  "butt" · 4 letters · shape CVCC

Known mistypes of this pair

  • bumpbbump · bmup · bummp · bumpp · bupm · ubmp
  • buttbbutt · btut · ubtt

Frequently Asked Questions

Is swapping "bump" for "butt" ever safe?
No. They are said differently (/bʌmp/ versus /bʌt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "bump" vs "butt" - which ranks higher?
"butt" is the more common of the two: it sits at frequency rank #4,430 in our English list, against #7,316 for "bump". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "bump" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "butt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #485,366 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bump" and "butt" also get mixed up with nearby pairs, the highest-scored neighbour is "Bui vs bump". 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 #485,366 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