Sar vs su, What's the Difference?

Which to use

“Sar” is a name and “su” is an adjective - they look or sound alike but fill different roles in a sentence.

#27,005
“Sar” frequency rank: #20
“su” frequency rank: 27025
confusion score

Side-by-Side Comparison

Feature	Sar	su
Definition	Apellido.	Adjetivo posesivo de la tercera persona; de él, de ella, de ellos, de ellas.

Where the eye mixes Sar and su

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

3 ch

Sar

2 ch

Look-alike desk: Sar vs su

These two trip readers on the page rather than in the ear: Sar is [ˈsaɾ] while su is [su]. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 27025, derived from the frequency rank of both members and their visual similarity.

Sar is recorded at frequency rank #27,005, classified as aname, pronounced [ˈsaɾ]. su is at rank #20, tagged as anadj, pronounced [su].

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 27025, this pair ranks #228,819 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sar vs su

Shared letters: s. Private to "Sar": ar. Private to "su": u.

"Sar" · 3 letters · shape CVC · "su" · 2 letters · shape CV

Frequently Asked Questions

Can "Sar" and "su" be used interchangeably?

No - they are not even the same part of speech. "Sar" is a name and "su" an adjective, so a sentence built for one is usually ungrammatical with the other.

In ordinary Spanish text, does "Sar" or "su" show up more?

"su" is the more common of the two: it sits at frequency rank #20 in our Spanish list, against #27,005 for "Sar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "Sar" and "su" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "Sar" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
This pair ranks #228,819 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"Sar" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "Sar vs sarro". Nearby pair

Confusion rank #228,819 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.