arcavsarmsWhat's the difference?

Which to use

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

#12,304
“arca” frequency rank
#45,745
“arms” frequency rank
58049
confusion score

Side-by-Side Comparison

Feature arca arms
Definition Caja que puede tener distintos tamaños, generalmente de madera, cuya tapa se asegura con bisagras por uno de sus lados y que suele cerrarse con cerradura y candado. Suele estar muy ornamentada y a veces reposa sobre un pequeño podium. Escudo.

Where the spellings diverge

Shared letters are muted; the letters that actually set arca and arms apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
arca
4 ch
arms

Spelling & Dictionary Insight

A purely visual mix-up. arca ([ˈaɾka]) and arms (/ɑɹmz/) 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 58049, derived from the frequency rank of both members and their visual similarity.

arca is recorded at frequency rank #12,304, classified as anoun, pronounced [ˈaɾka]. arms is at rank #45,745, tagged as anoun, pronounced /ɑɹmz/.

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 58049, this pair ranks #67,987 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of arca vs arms

Shared letters: ar. Private to "arca": c. Private to "arms": ms.

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

Known mistypes of this pair

  • arcaarac · arcca · arrca · raca
  • armsarmms · armss · arrms · arsm · rams

Frequency comparison

arca#12,304
arms#45,745

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "arca" and "arms" be used interchangeably?
No. They are said differently ([ˈaɾka] versus /ɑɹmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "arca" or "arms"?
"arca" is the more common of the two: it sits at frequency rank #12,304 in our Spanish list, against #45,745 for "arms". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering arca vs arms

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “arca” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list