qualvsquaseWhich spelling fits?

Quick tell: qual is a pronoun, quase is an adverb, so they fill different roles in a sentence.

Which to use

“qual” is a pronoun and “quase” is an adverb - they look or sound alike but fill different roles in a sentence.

#125
“qual” frequency rank
#241
“quase” frequency rank
366
confusion score

Side-by-Side Comparison

Feature qual quase
Definition quem, que; o pronome qual enfatiza a eleição entre várias possibilidades perto de; próximo

Where the eye mixes qual and quase

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

4 ch
qual
5 ch
quase

Visual trap between qual and quase

These two trip readers on the page rather than in the ear: qual is /ˈkwaɫ/ while quase is /ˈkwa.zi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 366, derived from the frequency rank of both members and their visual similarity.

qual is recorded at frequency rank #125, classified as apron, pronounced /ˈkwaɫ/. quase is at rank #241, tagged as anadv, pronounced /ˈkwa.zi/.

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 366, this pair ranks #75,267 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of qual vs quase

Shared letters: aqu. Private to "qual": l. Private to "quase": es.

"qual" · 4 letters · shape CVVC  ·  "quase" · 5 letters · shape CVVCV

Known mistypes of this pair

  • qualqaul · qqual · quall · qula · uqal
  • quaseqause · qquase · quaes · quasse · qusae · uqase

Frequently Asked Questions

Is swapping "qual" for "quase" ever safe?
No - they are not even the same part of speech. "qual" is a pronoun and "quase" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "qual" or "quase" show up more?
"qual" is the more common of the two: it sits at frequency rank #125 in our Portuguese list, against #241 for "quase". 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 "qual" and "quase" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "qual" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "quase" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,267 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "qual" and "quase" also get mixed up with nearby pairs, the highest-scored neighbour is "qual vs quit". 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 #75,267 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