fuel
/ˈfjuːəl/
"fuel" is a 4-letter English headword indexed on PlainSpell.
The verdict
“fuel” has 5 generated spelling variants in the English index at frequency #1,942. The variants make it a useful spelling check.
- #1,942
- frequency rank, English
- 2,507
- “F” headwords
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Substance consumed to provide energy through combustion, or through chemical or nuclear reaction.
Corpus desk
Index EN-fuel · fuel · English
fuel · rank #1,942 · 5 variants · 20 confusables
- FREQ-COMMON #1,942
- LEN-MID 4 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-MID 5 variants
- BOOK-MID 2,507
- PHOTO-FINISH flat
Nearest frequency peer: flat (-1 rank slots)
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.
Rank peers near misspelling magnet “fuel”
Same rarity band: useful when a typo lands on a peer headword
- failure
failure
98,062 corpus weight
- festival
festival
98,061 corpus weight
- flat
flat
98,060 corpus weight
- fuel
fuel
98,059 corpus weight
- harry
harry
98,058 corpus weight
- hello
hello
98,057 corpus weight
What this shows “fuel” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | fuel |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈfjuːəl/ |
| Letters | 4 |
| Frequency rank | #1,942 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “fuel”
A misspelling magnet
The generator records 5 spelling variants around fuel (IPA /ˈfjuːəl/), anoun. Corpus frequency is #1,942 among 2,507 “F” headwords. Wiktionary lists 3 senses, so context still picks the gloss.
Our generated misspelling index lists 5 likely wrong-spelling variants for fuel, with forms such as "feul", "ffuel", and "fuell". 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. It also participates in 20 confusable-pair relationships, "fun", "fur", "fut", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Middle English fuayle, from Old French fouaille, feuaille (“firewood, kindling”), from feu (“fire”), from Late Latin focus (“fire”), from Latin focus (“hearth”), whence English focus. Cognate with Spanish fuego (“fire”), and Portuguese fogo (“fire”). The correct English form is fuel, spelled F-U-E-L.
Definition
- 1Substance consumed to provide energy through combustion, or through chemical or nuclear reaction.
- 2Substance that provides nourishment for a living organism; food.
- 3Something that stimulates, encourages or maintains an action.
Recorded use
Wiktionary examplesThese source excerpts show how fuel appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
More than a mere source of Promethean sustenance to thwart the cold and cook one's meat, wood was quite simply mankind's first industrial and manufacturing fuel.
In a press release, CARB expanded on their decision. "The LCFS reduces air pollution and greenhouse gas emissions by setting a declining carbon intensity target for transportation fuels used in California; producers that don't meet established benchmarks buy credits from those that do. This system has generated $4 billion in annual private sector investme…
Etymology
From Middle English fuayle, from Old French fouaille, feuaille (“firewood, kindling”), from feu (“fire”), from Late Latin focus (“fire”), from Latin focus (“hearth”), whence English focus. Cognate with Spanish fuego (“fire”), and Portuguese fogo (“fire”).
This word in other languages
Common misspellings
Also misspelled as:
- feul
- ffuel
- fuell
- fule
- ufel
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of fuel - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "fuel", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (5 here; floor ≥5).