sinvsSuisWhich spelling fits?

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

Which to use

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

#41
“sin” frequency rank
#41,650
“Suis” frequency rank
41691
confusion score

Side-by-Side Comparison

Feature sin Suis
Definition Indica la ausencia, carencia o falta de algo. Suiza.

Where the eye mixes sin and Suis

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

3 ch
sin
4 ch
Suis

Visual trap between sin and Suis

These two trip readers on the page rather than in the ear: sin is [sĩn] while Suis is /ˈsɥisː/. 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 (preposition vs name), which is usually the fastest check. Our composite confusion score for this pair is 41691, derived from the frequency rank of both members and their visual similarity.

sin is recorded at frequency rank #41, classified as aprep, pronounced [sĩn]. Suis is at rank #41,650, tagged as aname, pronounced /ˈsɥisː/.

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 41691, this pair ranks #152,263 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sin vs Suis

Shared letters: is. Private to "sin": n. Private to "Suis": u.

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

Known mistypes of this pair

  • Suissius · ssuis · suiss · susi · usis

Frequently Asked Questions

Is swapping "sin" for "Suis" ever safe?
No - they are not even the same part of speech. "sin" is a preposition and "Suis" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "sin" or "Suis" show up more?
"sin" is the more common of the two: it sits at frequency rank #41 in our Spanish list, against #41,650 for "Suis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Suis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #152,263 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sin" and "Suis" 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 #152,263 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