Which to use
“sein” and “send” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,601
- “sein” frequency rank
- #38,964
- “send” frequency rank
- 84565
- confusion score
Side-by-Side Comparison
| Feature | sein | send |
|---|---|---|
| Definition | Ser, estar. | Mandar, enviar. |
Where the eye mixes sein and send
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sein (CVVC) and send (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between sein and send
A purely visual mix-up. sein ([ˈzaɪ̯n]) and send (/ˈsɛnd/) 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 2 positions. Our composite confusion score for this pair is 84565, 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]. send is at rank #38,964, tagged as averb, pronounced /ˈsɛnd/.
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 84565, this pair ranks #6,936 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of sein vs send
Shared letters: ens. Private to "sein": i. Private to "send": d.
"sein" · 4 letters · shape CVVC · "send" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sein" for "send" ever safe?
Frequency check: "sein" vs "send" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sein" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "send" - compare definitions side by side with the headword page. Word entry
- This pair ranks #6,936 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sein" and "send" 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 #6,936 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.