fernvsfuroWhat's the difference?

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

Which to use

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

#48,930
“fern” frequency rank
#11,274
“furo” frequency rank
60204
confusion score

Side-by-Side Comparison

Feature fern furo
Definition longe, distante, longínquo estar furioso, impetuoso

Where the eye mixes fern and furo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. fern (CVCC) and furo (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
fern
4 ch
furo

Visual trap between fern and furo

These two trip readers on the page rather than in the ear: fern is /fɛʀn/ ouvir^(fonte ?) while furo is /ˈfu.roː/. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 60204, derived from the frequency rank of both members and their visual similarity.

fern is recorded at frequency rank #48,930, classified as anadj, pronounced /fɛʀn/ ouvir^(fonte ?). 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 60204, this pair ranks #7,776 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fern vs furo

Shared letters: fr. Private to "fern": en. Private to "furo": ou.

"fern" · 4 letters · shape CVCC  ·  "furo" · 4 letters · shape CVCV

Known mistypes of this pair

  • fern ← efrn · fenr · fernn · ferrn · ffern · fren
  • furo ← ffuro · fruo · fuor · furro · ufro

Frequently Asked Questions

Do "fern" and "furo" mean the same thing in a sentence?
No - they are not even the same part of speech. "fern" is an adjective and "furo" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "fern" or "furo" show up more?
"furo" is the more common of the two: it sits at frequency rank #11,274 in our Portuguese list, against #48,930 for "fern". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "fern" and "furo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fern" 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 #7,776 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fern" and "furo" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs fon". 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 #7,776 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