funçãovsfundarConfusable pair

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

Which to use

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

#1,146
“função” frequency rank
#16,778
“fundar” frequency rank
17924
confusion score

Side-by-Side Comparison

Feature função fundar
Definition ação própria de uma máquina ou organismo estabelecer

Where the eye mixes função and fundar

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

6 ch
função
6 ch
fundar

Visual trap between função and fundar

These two trip readers on the page rather than in the ear: função is /fũ.ˈsɐ̃w̃/ while fundar is /fũ.ˈdaɾ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 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 17924, derived from the frequency rank of both members and their visual similarity.

função is recorded at frequency rank #1,146, classified as anoun, pronounced /fũ.ˈsɐ̃w̃/. fundar is at rank #16,778, tagged as averb, pronounced /fũ.ˈdaɾ/.

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 17924, this pair ranks #53,197 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of função vs fundar

Shared letters: fnu. Private to "função": oãç. Private to "fundar": adr.

"função" · 6 letters · shape CVCCVV  ·  "fundar" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fundarffundar · fnudar · fudnar · funadr · fundarr · funddar · fundra · funndar

Frequently Asked Questions

Can "função" and "fundar" be used interchangeably?
No - they are not even the same part of speech. "função" is a noun and "fundar" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "função" or "fundar" show up more?
"função" is the more common of the two: it sits at frequency rank #1,146 in our Portuguese list, against #16,778 for "fundar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "função" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fundar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #53,197 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "função" and "fundar" also get mixed up with nearby pairs, the highest-scored neighbour is "fender vs fundar". 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 #53,197 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