Which to use
“sill” and “spiel” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,086
- “sill” frequency rank
- #43,932
- “spiel” frequency rank
- 73018
- confusion score
Side-by-Side Comparison
| Feature | sill | spiel |
|---|---|---|
| Definition | A breast wall; window breast; horizontal brink which forms the base of a window. | A lengthy and extravagant speech or argument usually intended to persuade. |
Where the eye mixes sill and spiel
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sill runs 4 letters (CVCC) against spiel's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between sill and spiel
A purely visual mix-up. sill (/sɪl/) and spiel (/ʃpiːl/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73018, derived from the frequency rank of both members and their visual similarity.
sill is recorded at frequency rank #29,086, classified as anoun, pronounced /sɪl/. spiel is at rank #43,932, tagged as anoun, pronounced /ʃpiːl/.
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 73018, this pair ranks #41,018 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of sill vs spiel
Shared letters: ils. Private to "sill": -. Private to "spiel": ep.
"sill" · 4 letters · shape CVCC · "spiel" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Can "sill" and "spiel" be used interchangeably?
Frequency check: "sill" vs "spiel" - which ranks higher?
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 "sill" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spiel" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,018 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sill" and "spiel" also get mixed up with nearby pairs, the highest-scored neighbour is "Sieg vs spiel". 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 #41,018 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.