voltvsvoouWhich spelling fits?

Quick tell: volt is a noun, voou is a verb, so they fill different roles in a sentence.

Which to use

“volt” is a noun and “voou” is a verb - they look or sound alike but fill different roles in a sentence.

#35,827
“volt” frequency rank
#11,192
“voou” frequency rank
47019
confusion score

Side-by-Side Comparison

Feature volt voou
Definition unidade de medida de voltagem; o mesmo que vóltio terceira pessoa do singular do pretérito perfeito do indicativo do verbo voar

Where the eye mixes volt and voou

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

4 ch
volt
4 ch
voou

Why the eye confuses volt with voou

These two trip readers on the page rather than in the ear: volt is /ˈvɔɫt/ while voou is /vʊ.ˈow/, /vʊ.ˈo/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 47019, derived from the frequency rank of both members and their visual similarity.

volt is recorded at frequency rank #35,827, classified as anoun, pronounced /ˈvɔɫt/. voou is at rank #11,192, tagged as averb, pronounced /vʊ.ˈow/, /vʊ.ˈo/.

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 47019, this pair ranks #18,281 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of volt vs voou

Shared letters: ov. Private to "volt": lt. Private to "voou": u.

"volt" · 4 letters · shape CVCC  ·  "voou" · 4 letters · shape CVVV

Known mistypes of this pair

  • voltovlt · vlot · vollt · voltt · votl · vvolt
  • voouovou · vou · vouo · vvoou

Frequently Asked Questions

Is swapping "volt" for "voou" ever safe?
No - they are not even the same part of speech. "volt" is a noun and "voou" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "volt" or "voou" show up more?
"voou" is the more common of the two: it sits at frequency rank #11,192 in our Portuguese list, against #35,827 for "volt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "volt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "voou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,281 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "volt" and "voou" also get mixed up with nearby pairs, the highest-scored neighbour is "velo 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 #18,281 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list