profundovsprofusãoWhat's the difference?

Quick tell: profundo is a adjective, profusão is a noun, so they fill different roles in a sentence.

Which to use

“profundo” is an adjective and “profusão” is a noun - they look or sound alike but fill different roles in a sentence.

#4,017
“profundo” frequency rank
#35,739
“profusão” frequency rank
39756
confusion score

Side-by-Side Comparison

Feature profundo profusão
Definition diz-se do que é, está ou vai bem abaixo da superfície ou da frente abundância

Where the eye mixes profundo and profusão

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
profundo
8 ch
profusão

Visual trap between profundo and profusão

These two trip readers on the page rather than in the ear: profundo is /pɾu.ˈfũ.du/ while profusão is /pɾu.fu.ˈzɐ̃w̃/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 39756, derived from the frequency rank of both members and their visual similarity.

profundo is recorded at frequency rank #4,017, classified as anadj, pronounced /pɾu.ˈfũ.du/. profusão is at rank #35,739, tagged as anoun, pronounced /pɾu.fu.ˈzɐ̃w̃/.

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 39756, this pair ranks #26,443 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of profundo vs profusão

Shared letters: fopru. Private to "profundo": dn. Private to "profusão": .

"profundo" · 8 letters · shape CCVCVCCV  ·  "profusão" · 8 letters · shape CCVCVCVV

Known mistypes of this pair

  • profundoporfundo · pprofundo · prfoundo · proffundo · profnudo · profudno · profunddo · profunndo

Frequently Asked Questions

Can "profundo" and "profusão" be used interchangeably?
No - they are not even the same part of speech. "profundo" is an adjective and "profusão" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "profundo" vs "profusão" - which ranks higher?
"profundo" is the more common of the two: it sits at frequency rank #4,017 in our Portuguese list, against #35,739 for "profusão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "profundo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "profusão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,443 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "profundo" and "profusão" also get mixed up with nearby pairs, the highest-scored neighbour is "profusão vs propulsão". 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 #26,443 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