furnace
/ˈfɝnɪs/
"furnace" is a 7-letter English headword indexed on PlainSpell.
The verdict
“furnace” has 10 generated spelling variants in the English index at frequency #12,604. The variants make it a useful spelling check.
- #12,604
- frequency rank, English
- 18,613
- “F” headwords
- 10
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An industrial heating device, such as for smelting metal or firing ceramics.
| Property | Value |
|---|---|
| Headword | furnace |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈfɝnɪs/ |
| Letters | 7 |
| Frequency rank | #12,604 |
| Misspellings tracked | 10 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “furnace” sits in English frequency
A misspelling magnet
The generator records 10 spelling variants around furnace (IPA /ˈfɝnɪs/), anoun. Corpus frequency is #12,604 among 18,613 “F” headwords. Wiktionary lists 4 senses, so context still picks the gloss.
Our generated misspelling index lists 10 likely wrong-spelling variants for furnace, with forms such as "ffurnace", "frunace", and "funrace". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From Middle English forneys, from Old French fornais (French fournaise), from Latin fornāx. The correct English form is furnace, spelled F-U-R-N-A-C-E.
Definition
- 1An industrial heating device, such as for smelting metal or firing ceramics.
- 2A device that provides heat for a building.
- 3Any area that is excessively hot.
- 4A place or time of punishment, affliction, or great trial; severe experience or discipline.
Etymology
From Middle English forneys, from Old French fornais (French fournaise), from Latin fornāx.
This word in other languages
Common misspellings
Also misspelled as:
- ffurnace
- frunace
- funrace
- furance
- furnacce
- furnaec
- furncae
- furnnace
- furrnace
- ufrnace
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of furnace - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "furnace"?
What does "furnace" mean?
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Is PlainSpell free to use?
Using “furnace”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-U-R-N-A-C-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈfɝnɪs/ (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
Same frequency band
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.