fumarvsfurorWhich spelling fits?

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

Which to use

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

#4,649
“fumar” frequency rank
#31,785
“furor” frequency rank
36434
confusion score

Side-by-Side Comparison

Feature fumar furor
Definition aspirar o fumo de agitação violenta

Where the eye mixes fumar and furor

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

5 ch
fumar
5 ch
furor

Look-alike desk: fumar vs furor

These two trip readers on the page rather than in the ear: fumar is /fu.ˈmaɾ/ while furor is /fu.ˈɾoɾ/. 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 36434, derived from the frequency rank of both members and their visual similarity.

fumar is recorded at frequency rank #4,649, classified as averb, pronounced /fu.ˈmaɾ/. furor is at rank #31,785, tagged as anoun, pronounced /fu.ˈɾoɾ/.

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 36434, this pair ranks #30,377 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fumar vs furor

Shared letters: fru. Private to "fumar": am. Private to "furor": o.

"fumar" · 5 letters · shape CVCVC  ·  "furor" · 5 letters · shape CVCVC

Known mistypes of this pair

  • fumarffumar · fmuar · fuamr · fumarr · fummar · fumra · ufmar
  • furorffuror · fruor · fuorr · furorr · furror · ufror

Frequently Asked Questions

Is swapping "fumar" for "furor" ever safe?
No - they are not even the same part of speech. "fumar" is a verb and "furor" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fumar" or "furor"?
"fumar" is the more common of the two: it sits at frequency rank #4,649 in our Portuguese list, against #31,785 for "furor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "fumar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "furor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,377 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fumar" and "furor" also get mixed up with nearby pairs, the highest-scored neighbour is "fedor vs furor". 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 #30,377 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