fuivsfundTell them apart

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

Which to use

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

#365
“fui” frequency rank
#21,756
“fund” frequency rank
22121
confusion score

Side-by-Side Comparison

Feature fui fund
Definition primeira pessoa do singular do pretérito perfeito simples do indicativo do verbo ir: fundo, capital

Where the eye mixes fui and fund

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

3 ch
fui
4 ch
fund

Look-alike desk: fui vs fund

These two trip readers on the page rather than in the ear: fui is /ˈfuj/ while fund is /ˈfʌnd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 22121, derived from the frequency rank of both members and their visual similarity.

fui is recorded at frequency rank #365, classified as averb, pronounced /ˈfuj/. fund is at rank #21,756, tagged as anoun, pronounced /ˈfʌnd/.

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 22121, this pair ranks #48,000 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fui vs fund

Shared letters: fu. Private to "fui": i. Private to "fund": dn.

"fui" · 3 letters · shape CVV  ·  "fund" · 4 letters · shape CVCC

Known mistypes of this pair

  • fundffund · fnud · fudn · fundd · funnd · ufnd

Frequently Asked Questions

Do "fui" and "fund" mean the same thing in a sentence?
No - they are not even the same part of speech. "fui" is a verb and "fund" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fui" vs "fund" - which ranks higher?
"fui" is the more common of the two: it sits at frequency rank #365 in our Portuguese list, against #21,756 for "fund". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "fui" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fund" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,000 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fui" and "fund" also get mixed up with nearby pairs, the highest-scored neighbour is "fon vs fund". 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 #48,000 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