simvssuaWhat's the difference?

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

Which to use

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

#14,009
“sim” frequency rank
#44,466
“sua” frequency rank
58475
confusion score

Side-by-Side Comparison

Feature sim sua
Definition Primera persona del singular del presente activo de subjuntivo de sum. Forma del nominativo femenino singular de suus.

Where the eye mixes sim and sua

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

3 ch
sim
3 ch
sua

Look-alike desk: sim vs sua

These two trip readers on the page rather than in the ear: sim is /ˈsim/ 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 (verb vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 58475, derived from the frequency rank of both members and their visual similarity.

sim is recorded at frequency rank #14,009, classified as averb, pronounced /ˈsim/. 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 58475, this pair ranks #66,321 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sim vs sua

Shared letters: s. Private to "sim": im. Private to "sua": au.

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

Frequently Asked Questions

Do "sim" and "sua" mean the same thing in a sentence?
No - they are not even the same part of speech. "sim" is a verb and "sua" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "sim" or "sua" show up more?
"sim" is the more common of the two: it sits at frequency rank #14,009 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 "sim" and "sua" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sim" 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 #66,321 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sim" and "sua" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs sua". Nearby pair

Confusion rank #66,321 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