Stirling engine
"stirling-engine" is a 14-letter English headword indexed on PlainSpell.
The verdict
“Stirling engine” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A heat engine of the external combustion piston engine type.
| Property | Value |
|---|---|
| Headword | Stirling engine |
| Language | English |
| Part of speech | Noun |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Stirling engine” sits in English frequency
Rare enough to double-check
Stirling engine is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A heat engine of the external combustion piston engine type.".
Our edit-distance generator produced no likely misspellings for Stirling engine, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: Named for inventors Rev. Robert Stirling and his brother James Stirling. The correct English form is Stirling engine, spelled S-T-I-R-L-I-N-G- -E-N-G-I-N-E.
Definition
- 1A heat engine of the external combustion piston engine type.
Etymology
Named for inventors Rev. Robert Stirling and his brother James Stirling.
This word in other languages
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 “Stirling engine”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-T-I-R-L-I-N-G- -E-N-G-I-N-E - every other letter order is a misspelling in standard orthography.
- 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.