seivsskinTell them apart

Quick tell: sei is a intj, skin is a noun, so they fill different roles in a sentence.

Which to use

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

#118
“sei” frequency rank
#18,716
“skin” frequency rank
18834
confusion score

Side-by-Side Comparison

Feature sei skin
Definition expressa que aquilo ouvido que foi dito ou afirmado por alguém não é tomado como sendo a verdade pele

Letter map: sei vs skin

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

3 ch
sei
4 ch
skin

Part-of-speech tell for sei / skin

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sei is anintj and skinanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 18834, derived from the frequency rank of both members and their visual similarity.

sei is recorded at frequency rank #118, classified as anintj. skin is at rank #18,716, tagged as anoun, pronounced /ˈskin/.

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 18834, this pair ranks #52,061 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sei vs skin

Shared letters: is. Private to "sei": e. Private to "skin": kn.

"sei" · 3 letters · shape CVV  ·  "skin" · 4 letters · shape CCVC

Known mistypes of this pair

  • skinksin · sikn · skinn · skkin · skni · sskin

Frequently Asked Questions

Do "sei" and "skin" mean the same thing in a sentence?
No - they are not even the same part of speech. "sei" is an intj and "skin" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "sei" or "skin" show up more?
"sei" is the more common of the two: it sits at frequency rank #118 in our Portuguese list, against #18,716 for "skin". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "sei" and "skin".

  • Full dictionary entry for "sei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "skin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,061 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sei" and "skin" also get mixed up with nearby pairs, the highest-scored neighbour is "skin vs slip". 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 #52,061 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