seuvssieWhat's the difference?

Quick tell: seu is a noun, sie is a pronoun, so they fill different roles in a sentence.

Which to use

“seu” is a noun and “sie” is a pronoun - they look or sound alike but fill different roles in a sentence.

#31
“seu” frequency rank
#40,788
“sie” frequency rank
40819
confusion score

Side-by-Side Comparison

Feature seu sie
Definition senhor ela, pronome pessoal feminino do caso nominativo da terceira pessoa do singular:

Where the spellings diverge

Shared letters are muted; the letters that actually set seu and sie apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
seu
3 ch
sie

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seu is anoun and sieapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40819, derived from the frequency rank of both members and their visual similarity.

seu is recorded at frequency rank #31, classified as anoun. sie is at rank #40,788, tagged as apron, pronounced /zi:/ ouvir^(fonte ?) 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 40819, this pair ranks #25,218 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seu vs sie

Shared letters: es. Private to "seu": u. Private to "sie": i.

"seu" · 3 letters · shape CVV  ·  "sie" · 3 letters · shape CVV

Frequency comparison

seu#31
sie#40,788

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "seu" and "sie" be used interchangeably?
No - they are not even the same part of speech. "seu" is a noun and "sie" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "seu" or "sie"?
"seu" is the more common of the two: it sits at frequency rank #31 in our Portuguese list, against #40,788 for "sie". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering seu vs sie

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “seu”; for a pronoun, it's “sie”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “seu” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list