window sill
/ˈwɪndəʊ ˌsɪl/
"window-sill" is a 10-letter English headword indexed on PlainSpell.
The verdict
“window sill” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Alternative spelling of windowsill.
| Property | Value |
|---|---|
| Headword | window sill |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈwɪndəʊ ˌsɪl/ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “window sill” sits in English frequency
Rare enough to double-check
window sill is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈwɪndəʊ ˌsɪl/. Rarity is why readers land here mid-draft. Gloss: "Alternative spelling of windowsill.".
No generated misspelling entries exist for window sill in our index, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is window sill, spelled W-I-N-D-O-W- -S-I-L-L.
Definition
- 1Alternative spelling of windowsill.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “window sill”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is W-I-N-D-O-W- -S-I-L-L - every other letter order is a misspelling in standard orthography.
- Say it as /ˈwɪndəʊ ˌsɪl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.