servssuuWhat's the difference?

Which to use

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

#30
“ser” frequency rank
#47,111
“suu” frequency rank
47141
confusion score

Side-by-Side Comparison

Feature ser suu
Definition existir, aquilo que supõe-se existir boca, cavidade oral

Where the eye mixes ser and suu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ser
3 ch
suu

Visual trap between ser and suu

A purely visual mix-up. ser (/ˈseɾ/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47141, derived from the frequency rank of both members and their visual similarity.

ser is recorded at frequency rank #30, classified as anoun, pronounced /ˈseɾ/. 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 47141, this pair ranks #18,139 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ser vs suu

Shared letters: s. Private to "ser": er. Private to "suu": u.

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

Frequently Asked Questions

Can "ser" and "suu" be used interchangeably?
No. They are said differently (/ˈseɾ/ versus /ˈsuː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ser" vs "suu" - which ranks higher?
"ser" is the more common of the two: it sits at frequency rank #30 in our Portuguese list, against #47,111 for "suu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ser" 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 #18,139 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ser" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". Nearby pair

Confusion rank #18,139 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