profusãovspropulsãoWhich spelling fits?

Which to use

“profusão” and “propulsão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#35,739
“profusão” frequency rank
#24,129
“propulsão” frequency rank
59868
confusion score

Side-by-Side Comparison

Feature profusão propulsão
Definition abundância ato de propulsar

Where the eye mixes profusão and propulsão

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. profusão runs 8 letters (CCVCVCVV) against propulsão's 9 (CCVCVCCVV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
profusão
9 ch
propulsão

Why the eye confuses profusão with propulsão

A purely visual mix-up. profusão (/pɾu.fu.ˈzɐ̃w̃/) and propulsão (/pɾu.puɫ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59868, derived from the frequency rank of both members and their visual similarity.

profusão is recorded at frequency rank #35,739, classified as anoun, pronounced /pɾu.fu.ˈzɐ̃w̃/. propulsão is at rank #24,129, tagged as anoun, pronounced /pɾu.puɫ.ˈsɐ̃w̃/.

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 59868, this pair ranks #7,953 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of profusão vs propulsão

Shared letters: oprsuã. Private to "profusão": f. Private to "propulsão": l.

"profusão" · 8 letters · shape CCVCVCVV  ·  "propulsão" · 9 letters · shape CCVCVCCVV

Frequently Asked Questions

Can "profusão" and "propulsão" be used interchangeably?
No. They are said differently (/pɾu.fu.ˈzɐ̃w̃/ versus /pɾu.puɫ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "profusão" vs "propulsão" - which ranks higher?
"propulsão" is the more common of the two: it sits at frequency rank #24,129 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.

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 "profusão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "propulsão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,953 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "profusão" and "propulsão" also get mixed up with nearby pairs, the highest-scored neighbour is "profusão vs provisão". Nearby pair

Confusion rank #7,953 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