supvssuuTell them apart

Which to use

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

#25,150
“sup” frequency rank
#47,111
“suu” frequency rank
72261
confusion score

Side-by-Side Comparison

Feature sup suu
Definition abutre boca, cavidade oral

Where the eye mixes sup and suu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
sup
3 ch
suu

Look-alike desk: sup vs suu

A purely visual mix-up. sup (/sʊp/) and suu (/ˈsuː/) 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 a single letter - p in “sup” becomes u in “suu”. Our composite confusion score for this pair is 72261, derived from the frequency rank of both members and their visual similarity.

sup is recorded at frequency rank #25,150, classified as anoun, pronounced /sʊp/. suu is at rank #47,111, tagged as anoun, pronounced /ˈsuː/.

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 72261, this pair ranks #3,109 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sup vs suu

Shared letters: su. Private to "sup": p. Private to "suu": -.

"sup" · 3 letters · shape CVC  ·  "suu" · 3 letters · shape CVV

Frequently Asked Questions

Do "sup" and "suu" mean the same thing in a sentence?
No. They are said differently (/sʊp/ versus /ˈsuː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sup" or "suu"?
"sup" is the more common of the two: it sits at frequency rank #25,150 in our Portuguese list, against #47,111 for "suu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sup" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,109 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sup" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". Nearby pair

Confusion rank #3,109 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