vaultvsvoltConfusable pair

Which to use

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

#8,375
“vault” frequency rank
#19,248
“volt” frequency rank
27623
confusion score

Side-by-Side Comparison

Feature vault volt
Definition An arched masonry structure supporting and forming a ceiling, whether freestanding or forming part of a larger building. In the International System of Units, the derived unit of electrical potential and electromotive force (voltage); the potential difference across a conductor when a current of one ampere uses one watt of power. Symbol: V

Where the eye mixes vault and volt

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

5 ch
vault
4 ch
volt

Why the eye confuses vault with volt

A purely visual mix-up. vault (/vɒlt/) and volt (/vəʊlt/) 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 1 letter(s) in length. Our composite confusion score for this pair is 27623, derived from the frequency rank of both members and their visual similarity.

vault is recorded at frequency rank #8,375, classified as anoun, pronounced /vɒlt/. volt is at rank #19,248, tagged as anoun, pronounced /vəʊlt/.

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 27623, this pair ranks #377,463 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vault vs volt

Shared letters: ltv. Private to "vault": au. Private to "volt": o.

"vault" · 5 letters · shape CVVCC  ·  "volt" · 4 letters · shape CVCC

Known mistypes of this pair

  • vaultavult · valut · vaullt · vaultt · vautl · vualt · vvault
  • voltovlt · vlot · vollt · voltt · votl · vvolt

Frequently Asked Questions

Can "vault" and "volt" be used interchangeably?
No. They are said differently (/vɒlt/ versus /vəʊlt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "vault" vs "volt" - which ranks higher?
"vault" is the more common of the two: it sits at frequency rank #8,375 in our English list, against #19,248 for "volt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "vault" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "volt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #377,463 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "vault" and "volt" also get mixed up with nearby pairs, the highest-scored neighbour is "vel vs volt". 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 #377,463 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