sacvssuaWhat's the difference?

Quick tell: sac is a noun, sua is a pronoun, so they fill different roles in a sentence.

Which to use

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

#33,834
“sac” frequency rank
#44,466
“sua” frequency rank
78300
confusion score

Side-by-Side Comparison

Feature sac sua
Definition Bolsa. Forma del nominativo femenino singular de suus.

Where the eye mixes sac and sua

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sac (CVC) and sua (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
sac
3 ch
sua

Look-alike desk: sac vs sua

These two trip readers on the page rather than in the ear: sac is /sak/ while sua is /ˈsʷa/. 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 (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 78300, derived from the frequency rank of both members and their visual similarity.

sac is recorded at frequency rank #33,834, classified as anoun, pronounced /sak/. sua is at rank #44,466, tagged as apron, pronounced /ˈsʷa/.

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 78300, this pair ranks #14,666 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sac vs sua

Shared letters: as. Private to "sac": c. Private to "sua": u.

"sac" · 3 letters · shape CVC  ·  "sua" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "sac" for "sua" ever safe?
No - they are not even the same part of speech. "sac" is a noun and "sua" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sac" or "sua"?
"sac" is the more common of the two: it sits at frequency rank #33,834 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

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

  • Full dictionary entry for "sac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sua" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,666 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sac" and "sua" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs sua". Nearby pair

Confusion rank #14,666 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