fundarvsfundosTell them apart

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

Which to use

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

#16,778
“fundar” frequency rank
#2,272
“fundos” frequency rank
19050
confusion score

Side-by-Side Comparison

Feature fundar fundos
Definition estabelecer a parte de uma casa, de um edifício oposta à fachada

Where the eye mixes fundar and fundos

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fundar and fundos follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
fundar
6 ch
fundos

Why the eye confuses fundar with fundos

These two trip readers on the page rather than in the ear: fundar is /fũ.ˈdaɾ/ while fundos is /ˈfũ.duʃ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19050, derived from the frequency rank of both members and their visual similarity.

fundar is recorded at frequency rank #16,778, classified as averb, pronounced /fũ.ˈdaɾ/. fundos is at rank #2,272, tagged as anoun, pronounced /ˈfũ.duʃ/.

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 19050, this pair ranks #51,801 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fundar vs fundos

Shared letters: dfnu. Private to "fundar": ar. Private to "fundos": os.

"fundar" · 6 letters · shape CVCCVC  ·  "fundos" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fundar ← ffundar · fnudar · fudnar · funadr · fundarr · funddar · fundra · funndar
  • fundos ← ffundos · fnudos · fudnos · funddos · fundoss · fundso · funndos · funods

Frequently Asked Questions

Do "fundar" and "fundos" mean the same thing in a sentence?
No - they are not even the same part of speech. "fundar" is a verb and "fundos" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fundar" or "fundos"?
"fundos" is the more common of the two: it sits at frequency rank #2,272 in our Portuguese list, against #16,778 for "fundar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "fundar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fundos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,801 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fundar" and "fundos" 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 #51,801 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