sua vs sy, What's the Difference?

Which to use

“sua” is a pronoun and “sy” is a noun - they look or sound alike but fill different roles in a sentence.

#44,466
“sua” frequency rank: #33,866
“sy” frequency rank: 78332
confusion score

Side-by-Side Comparison

Feature	sua	sy
Definition	Forma del nominativo femenino singular de suus.	Madre.

Where the eye mixes sua and sy

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

sua

2 ch

Look-alike desk: sua vs sy

These two trip readers on the page rather than in the ear: sua is /ˈsʷa/ while sy is [ˈsɨ]. 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 (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 78332, 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/. sy is at rank #33,866, tagged as anoun, pronounced [ˈsɨ].

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 78332, this pair ranks #14,610 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sua vs sy

Shared letters: s. Private to "sua": au. Private to "sy": y.

"sua" · 3 letters · shape CVV · "sy" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "sua" for "sy" ever safe?

No - they are not even the same part of speech. "sua" is a pronoun and "sy" a noun, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "sua" vs "sy" - which ranks higher?

"sy" is the more common of the two: it sits at frequency rank #33,866 in our Spanish list, against #44,466 for "sua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "sua" and "sy" 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 "sy" - compare definitions side by side with the headword page. Word entry
This pair ranks #14,610 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"sua" and "sy" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs sua". Nearby pair

Confusion rank #14,610 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.