fundovsfuroTell them apart

Quick tell: fundo is a adjective, furo is a verb, so they fill different roles in a sentence.

Which to use

“fundo” is an adjective and “furo” is a verb - they look or sound alike but fill different roles in a sentence.

#850
“fundo” frequency rank
#11,274
“furo” frequency rank
12124
confusion score

Side-by-Side Comparison

Feature fundo furo
Definition que está abaixo da superfície ou do nível; que tem profundidade; que adentra estar furioso, impetuoso

Where the eye mixes fundo and furo

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

5 ch
fundo
4 ch
furo

Visual trap between fundo and furo

These two trip readers on the page rather than in the ear: fundo is /ˈfũ.du/ while furo is /ˈfu.roː/. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 12124, derived from the frequency rank of both members and their visual similarity.

fundo is recorded at frequency rank #850, classified as anadj, pronounced /ˈfũ.du/. furo is at rank #11,274, tagged as averb, pronounced /ˈfu.roː/.

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 12124, this pair ranks #60,560 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fundo vs furo

Shared letters: fou. Private to "fundo": dn. Private to "furo": r.

"fundo" · 5 letters · shape CVCCV  ·  "furo" · 4 letters · shape CVCV

Known mistypes of this pair

  • fundoffundo · fnudo · fudno · funddo · funndo · funod · ufndo
  • furoffuro · fruo · fuor · furro · ufro

Frequently Asked Questions

Can "fundo" and "furo" be used interchangeably?
No - they are not even the same part of speech. "fundo" is an adjective and "furo" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fundo" or "furo"?
"fundo" is the more common of the two: it sits at frequency rank #850 in our Portuguese list, against #11,274 for "furo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "fundo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "furo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,560 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fundo" and "furo" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs furo". 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 #60,560 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