banvsblauWhat's the difference?

Quick tell: ban is a noun, blau is an adjective, so they fill different roles in a sentence.

Which to use

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

#13,668
“ban” frequency rank
#39,501
“blau” frequency rank
53169
confusion score

Side-by-Side Comparison

Feature ban blau
Definition proibição azul

Letter map: ban vs blau

Shared letters muted; letters that set ban and blau apart highlighted. Shared run: 2.

3 ch
ban
4 ch
blau

Role in the sentence - ban and blau

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ban is anoun and blauanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 53169, derived from the frequency rank of both members and their visual similarity.

ban is recorded at frequency rank #13,668, classified as anoun. blau is at rank #39,501, tagged as anadj, pronounced /blaʊ̯/ ouvir^(fonte ?).

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 53169, this pair ranks #12,225 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ban vs blau

Shared letters: ab. Private to "ban": n. Private to "blau": lu.

"ban" · 3 letters · shape CVC  ·  "blau" · 4 letters · shape CCVV

Known mistypes of this pair

  • blaubalu · bblau · bllau · lbau

Frequently Asked Questions

Is swapping "ban" for "blau" ever safe?
No - they are not even the same part of speech. "ban" is a noun and "blau" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ban" vs "blau" - which ranks higher?
"ban" is the more common of the two: it sits at frequency rank #13,668 in our Portuguese list, against #39,501 for "blau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "ban" vs "blau" is on the table, pick a follow-up below.

  • Full dictionary entry for "ban" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "blau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,225 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ban" and "blau" also get mixed up with nearby pairs, the highest-scored neighbour is "baús vs blau". 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 #12,225 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