seinvssingConfusable pair

Which to use

“sein” and “sing” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,601
“sein” frequency rank
#26,238
“sing” frequency rank
71839
confusion score

Side-by-Side Comparison

Feature sein sing
Definition Ser, estar. Cantar

Where the eye mixes sein and sing

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

4 ch
sein
4 ch
sing

Why the eye confuses sein with sing

A purely visual mix-up. sein ([ˈzaɪ̯n]) and sing (/sɪŋ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 71839, derived from the frequency rank of both members and their visual similarity.

sein is recorded at frequency rank #45,601, classified as averb, pronounced [ˈzaɪ̯n]. sing is at rank #26,238, tagged as averb, pronounced /sɪŋ/.

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 71839, this pair ranks #26,643 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sein vs sing

Shared letters: ins. Private to "sein": e. Private to "sing": g.

"sein" · 4 letters · shape CVVC  ·  "sing" · 4 letters · shape CVCC

Known mistypes of this pair

  • seinesin · seinn · seni · ssein
  • singcing · isng · singg · sinng · snig · ssing

Frequently Asked Questions

Can "sein" and "sing" be used interchangeably?
No. They are said differently ([ˈzaɪ̯n] versus /sɪŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sein" or "sing"?
"sing" is the more common of the two: it sits at frequency rank #26,238 in our Spanish list, against #45,601 for "sein". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,643 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sein" and "sing" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs sein". 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 #26,643 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