seisvsSteinConfusable pair

Quick tell: seis is a num, Stein is a noun, so they fill different roles in a sentence.

Which to use

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

#596
“seis” frequency rank
#27,788
“Stein” frequency rank
28384
confusion score

Side-by-Side Comparison

Feature seis Stein
Definition Cinco y uno. Piedra.

Where the eye mixes seis and Stein

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
seis
5 ch
Stein

Look-alike desk: seis vs Stein

These two trip readers on the page rather than in the ear: seis is [ˈsejs] while Stein is [ʃtaɪ̯n]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 28384, derived from the frequency rank of both members and their visual similarity.

seis is recorded at frequency rank #596, classified as anum, pronounced [ˈsejs]. Stein is at rank #27,788, 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 28384, this pair ranks #222,293 of 323,831 scored Spanish 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

  • seisceis · esis · seiss · sesi · sies · sseis
  • Steinsetin · 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 #596 in our Spanish list, against #27,788 for "Stein". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "seis" and "Stein" is sorted above. Next: full entries or other pairs that share a letter shape.

  • 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 #222,293 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seis" and "Stein" also get mixed up with nearby pairs, the highest-scored neighbour is "Stein vs stem". 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 #222,293 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list