aravsarmTell them apart

Which to use

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

#21,997
“ara” frequency rank
#1,887
“arm” frequency rank
23884
confusion score

Side-by-Side Comparison

Feature ara arm
Definition The great blue and yellow macaw (Ara ararauna). The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.

Where the eye mixes ara and arm

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

3 ch
ara
3 ch
arm

Look-alike desk: ara vs arm

A purely visual mix-up. ara (/ˈeɪ.ɹə/) and arm (/ɑːm/) 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 - a in “ara” becomes m in “arm”. Our composite confusion score for this pair is 23884, derived from the frequency rank of both members and their visual similarity.

ara is recorded at frequency rank #21,997, classified as anoun, pronounced /ˈeɪ.ɹə/. arm is at rank #1,887, tagged as anoun, pronounced /ɑːm/.

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 23884, this pair ranks #406,042 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ara vs arm

Shared letters: ar. Private to "ara": -. Private to "arm": m.

"ara" · 3 letters · shape VCV  ·  "arm" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "ara" for "arm" ever safe?
No. They are said differently (/ˈeɪ.ɹə/ versus /ɑːm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "ara" or "arm" show up more?
"arm" is the more common of the two: it sits at frequency rank #1,887 in our English list, against #21,997 for "ara". 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 "ara" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #406,042 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ara" and "arm" also get mixed up with nearby pairs, the highest-scored neighbour is "ara vs Asta". Nearby pair

Confusion rank #406,042 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