Which to use
“sua” is a pronoun and “sum” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,466
- “sua” frequency rank
- #27,789
- “sum” frequency rank
- 72255
- confusion score
Side-by-Side Comparison
| Feature | sua | sum |
|---|---|---|
| Definition | Forma del nominativo femenino singular de suus. | Suma, adición. |
Where the eye mixes sua and sum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses sua with sum
These two trip readers on the page rather than in the ear: sua is /ˈsʷa/ while sum is [sʌm]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “sua” becomes m in “sum”, and the parts of speech differ too (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 72255, derived from the frequency rank of both members and their visual similarity.
sua is recorded at frequency rank #44,466, classified as apron, pronounced /ˈsʷa/. sum is at rank #27,789, tagged as anoun, pronounced [sʌm].
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 72255, this pair ranks #25,769 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of sua vs sum
Shared letters: su. Private to "sua": a. Private to "sum": m.
"sua" · 3 letters · shape CVV · "sum" · 3 letters · shape CVC
Frequently Asked Questions
Can "sua" and "sum" be used interchangeably?
Frequency check: "sua" vs "sum" - which ranks higher?
Useful next steps
Eye-level mix-up between "sua" and "sum" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sua" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,769 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sua" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs sua". Nearby pair
Confusion rank #25,769 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.