SuisvssunWhat's the difference?

Quick tell: Suis is a name, sun is a noun, so they fill different roles in a sentence.

Which to use

“Suis” is a name and “sun” is a noun - they look or sound alike but fill different roles in a sentence.

#41,650
“Suis” frequency rank
#8,323
“sun” frequency rank
49973
confusion score

Side-by-Side Comparison

Feature Suis sun
Definition Suiza. Sol₂.

Where the eye mixes Suis and sun

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Suis
3 ch
sun

Visual trap between Suis and sun

These two trip readers on the page rather than in the ear: Suis is /ˈsɥisː/ while sun is /sʌn/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 49973, derived from the frequency rank of both members and their visual similarity.

Suis is recorded at frequency rank #41,650, classified as aname, pronounced /ˈsɥisː/. sun is at rank #8,323, tagged as anoun, pronounced /sʌn/.

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 49973, this pair ranks #105,808 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Suis vs sun

Shared letters: su. Private to "Suis": i. Private to "sun": n.

"Suis" · 4 letters · shape CVVC  ·  "sun" · 3 letters · shape CVC

Known mistypes of this pair

  • Suissius · ssuis · suiss · susi · usis

Frequently Asked Questions

Is swapping "Suis" for "sun" ever safe?
No - they are not even the same part of speech. "Suis" is a name and "sun" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Suis" or "sun"?
"sun" is the more common of the two: it sits at frequency rank #8,323 in our Spanish list, against #41,650 for "Suis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Suis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,808 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Suis" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "subís vs Suis". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #105,808 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