armsvsarseConfusable pair

Which to use

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

#1,591
“arms” frequency rank
#13,462
“arse” frequency rank
15053
confusion score

Side-by-Side Comparison

Feature arms arse
Definition Weaponry, weapons. A person's buttocks; the bottom, the backside. Also: the anus; the rectum.

Where the eye mixes arms and arse

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
arms
4 ch
arse

Visual trap between arms and arse

A purely visual mix-up. arms (/ɑɹmz/) and arse (/ɑːs/) 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 15053, derived from the frequency rank of both members and their visual similarity.

arms is recorded at frequency rank #1,591, classified as anoun, pronounced /ɑɹmz/. arse is at rank #13,462, tagged as anoun, pronounced /ɑːs/.

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 15053, this pair ranks #466,337 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of arms vs arse

Shared letters: ars. Private to "arms": m. Private to "arse": e.

"arms" · 4 letters · shape VCCC  ·  "arse" · 4 letters · shape VCCV

Known mistypes of this pair

  • armsamrs · armms · armss · arrms · arsm
  • arsearrse · arsse · asre · rase

Frequently Asked Questions

Do "arms" and "arse" mean the same thing in a sentence?
No. They are said differently (/ɑɹmz/ versus /ɑːs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "arms" or "arse"?
"arms" is the more common of the two: it sits at frequency rank #1,591 in our English list, against #13,462 for "arse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "arms" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #466,337 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "arms" and "arse" also get mixed up with nearby pairs, the highest-scored neighbour is "arco vs arse". 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 #466,337 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