Which to use
“sin” is a preposition and “spy” is a noun - they look or sound alike but fill different roles in a sentence.
- #41
- “sin” frequency rank
- #48,092
- “spy” frequency rank
- 48133
- confusion score
Side-by-Side Comparison
| Feature | sin | spy |
|---|---|---|
| Definition | Indica la ausencia, carencia o falta de algo. | Espía. |
Where the eye mixes sin and spy
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between sin and spy
These two trip readers on the page rather than in the ear: sin is [sĩn] while spy is /spaɪ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48133, derived from the frequency rank of both members and their visual similarity.
sin is recorded at frequency rank #41, classified as aprep, pronounced [sĩn]. spy is at rank #48,092, tagged as anoun, pronounced /spaɪ/.
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 48133, this pair ranks #116,165 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sin vs spy
Shared letters: s. Private to "sin": in. Private to "spy": py.
"sin" · 3 letters · shape CVC · "spy" · 3 letters · shape CCV
Frequently Asked Questions
Can "sin" and "spy" be used interchangeably?
In ordinary Spanish text, does "sin" or "spy" show up more?
After this comparison
Eye-level mix-up between "sin" and "spy" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #116,165 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sin" and "spy" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs spy". Nearby pair
Confusion rank #116,165 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.