said vs sei, What's the Difference?

Which to use

“said” is an adjective and “sei” is an intj - they look or sound alike but fill different roles in a sentence.

#13,173
“said” frequency rank: #118
“sei” frequency rank: 13291
confusion score

Side-by-Side Comparison

Feature	said	sei
Definition	mencionado, citado	expressa que aquilo ouvido que foi dito ou afirmado por alguém não é tomado como sendo a verdade

Letter map: said vs sei

Shared letters muted; letters that set said and sei apart highlighted. Shared run: 2.

4 ch

said

3 ch

sei

Grammar separator: said vs sei

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: said is anadjective and seianintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13291, derived from the frequency rank of both members and their visual similarity.

said is recorded at frequency rank #13,173, classified as anadj, pronounced /sɛd/. sei is at rank #118, tagged as anintj.

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 13291, this pair ranks #59,110 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of said vs sei

Shared letters: is. Private to "said": ad. Private to "sei": e.

"said" · 4 letters · shape CVVC · "sei" · 3 letters · shape CVV

Known mistypes of this pair

said ← asid · sadi · saidd · siad · ssaid

Frequently Asked Questions

Can "said" and "sei" be used interchangeably?

No - they are not even the same part of speech. "said" is an adjective and "sei" an intj, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "said" or "sei" show up more?

"sei" is the more common of the two: it sits at frequency rank #118 in our Portuguese list, against #13,173 for "said". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "said" and "sei". Here's where to go from here.

Full dictionary entry for "said" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "sei" - compare definitions side by side with the headword page. Word entry
This pair ranks #59,110 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"said" and "sei" also get mixed up with nearby pairs, the highest-scored neighbour is "said vs Sau". 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 #59,110 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.