SilasvssisConfusable pair

Quick tell: Silas is a name, sis is a num, so they fill different roles in a sentence.

Which to use

“Silas” is a name and “sis” is a num - they look or sound alike but fill different roles in a sentence.

#41,461
“Silas” frequency rank
#37,202
“sis” frequency rank
78663
confusion score

Side-by-Side Comparison

Feature Silas sis
Definition männlicher Vorname sechs (6)

Where the eye mixes Silas and sis

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Silas
3 ch
sis

Why the eye confuses Silas with sis

These two trip readers on the page rather than in the ear: Silas is [ˈziːlas] while sis is [sis]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs num), which is usually the fastest check. Our composite confusion score for this pair is 78663, derived from the frequency rank of both members and their visual similarity.

Silas is recorded at frequency rank #41,461, classified as aname, pronounced [ˈziːlas]. sis is at rank #37,202, tagged as anum, pronounced [sis].

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 78663, this pair ranks #233,272 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Silas vs sis

Shared letters: is. Private to "Silas": al. Private to "sis": -.

"Silas" · 5 letters · shape CVCVC  ·  "sis" · 3 letters · shape CVC

Known mistypes of this pair

  • Silasislas · sials · silass · sillas · silsa · slias · ssilas

Frequently Asked Questions

Can "Silas" and "sis" be used interchangeably?
No - they are not even the same part of speech. "Silas" is a name and "sis" a num, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Silas" vs "sis" - which ranks higher?
"sis" is the more common of the two: it sits at frequency rank #37,202 in our German list, against #41,461 for "Silas". 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 "Silas" and "sis" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Silas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,272 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Silas" and "sis" also get mixed up with nearby pairs, the highest-scored neighbour is "sil vs Silas". 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 #233,272 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list