seis vs Stein, What's the Difference?

Which to use

“seis” is a num and “Stein” is a noun - they look or sound alike but fill different roles in a sentence.

#542
“seis” frequency rank: #22,805
“Stein” frequency rank: 23347
confusion score

Side-by-Side Comparison

Feature	seis	Stein
Definition	número equivalente a cinco mais um; cardinalidade de um conjunto que contenha seis elementos distintos; representado pelo símbolo 6 (algarismos arábicos) ou VI (algarismos romanos)	pedra

Letter map: seis vs Stein

Shared letters muted; letters that set seis and Stein apart highlighted. Shared run: 3.

4 ch

seis

5 ch

Stein

Grammar separator: seis vs Stein

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seis is anum and Steinanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23347, derived from the frequency rank of both members and their visual similarity.

seis is recorded at frequency rank #542, classified as anum. Stein is at rank #22,805, tagged as anoun, pronounced /ʃtaɪ̯n/.

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 23347, this pair ranks #46,487 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seis vs Stein

Shared letters: eis. Private to "seis": -. Private to "Stein": nt.

"seis" · 4 letters · shape CVVC · "Stein" · 5 letters · shape CCVVC

Known mistypes of this pair

seis ← esis · seiss · sesi · sies · sseis
Stein ← setin · sstein · steinn · steni · stien · sttein · tsein

Frequently Asked Questions

Is swapping "seis" for "Stein" ever safe?

No - they are not even the same part of speech. "seis" is a num and "Stein" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "seis" or "Stein"?

"seis" is the more common of the two: it sits at frequency rank #542 in our Portuguese list, against #22,805 for "Stein". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "seis" and "Stein". Here's where to go from here.

Full dictionary entry for "seis" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Stein" - compare definitions side by side with the headword page. Word entry
This pair ranks #46,487 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"seis" and "Stein" also get mixed up with nearby pairs, the highest-scored neighbour is "sein vs Stein". 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 #46,487 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.