exhaust gas
"exhaust-gas" is a 10-letter English headword indexed on PlainSpell.
The verdict
“exhaust gas” 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 September 3, 2026) - Gas emitted as a result of the combustion of fuels in an engine, and discharged into the atmosphere through an exhaust pipe.
Corpus desk
Index EN-exhaust-gas · exhaust gas · English
exhaust gas · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "E" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | exhaust gas |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “exhaust gas” in English
Rare enough to double-check
exhaust gas is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Gas emitted as a result of the combustion of fuels in an engine, and discharged into the atmosphere through an exhaust pipe.".
We couldn't generate a plausible misspelling set for exhaust gas, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is exhaust gas, spelled E-X-H-A-U-S-T- -G-A-S.
Definition
- 1Gas emitted as a result of the combustion of fuels in an engine, and discharged into the atmosphere through an exhaust pipe.
Recorded use
Wiktionary exampleThese source excerpts show how exhaust gas appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
This is a 16-cylinder unit with the cylinders arranged in vee formation, operating on the four-stroke cycle and pressure-charged by four Napier exhaust gas-driven turbo-chargers.
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.