biofuel

/ˈbaɪ.əʊˌfjʊ(.ə)l/

//ˈbaɪ.əʊˌfjʊ(.ə)l// noun

By · According to Wiktionary data (CC BY-SA) ·

"biofuel" is a 7-letter English headword indexed on PlainSpell.

The verdict

“biofuel” has 9 generated spelling variants in the English index at frequency #41,017. The variants make it a useful spelling check.

#41,017
frequency rank, English
4,121
“B” headwords
9
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any fuel that is obtained from a renewable biological resource, especially from biomass.

Corpus desk

Index EN-biofuel · biofuel · English

biofuel · rank #41,017 · 9 variants · 0 confusables

  • FREQ-MID #41,017
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-MID 9 variants
  • BOOK-MID 4,121
  • PHOTO-FINISH biometrics

Nearest frequency peer: biometrics (+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 “biofuel”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “biofuel” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for biofuel
PropertyValue
Headwordbiofuel
LanguageEnglish
Part of speechNoun
IPA/ˈbaɪ.əʊˌfjʊ(.ə)l/
Letters7
Frequency rank#41,017
Misspellings tracked9
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “biofuel”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).biofuellands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “biometrics” (#41,018), “bladed” (#41,019), “Bergeron” (#41,014). Among 4,121 “B” headwords, “biofuel” is #41,017. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around biofuel (IPA /ˈbaɪ.əʊˌfjʊ(.ə)l/), anoun. Corpus frequency is #41,017 among 4,121 “B” headwords. Dominant gloss: "Any fuel that is obtained from a renewable biological resource, especially from biomass.".

Our generated misspelling index lists 9 likely wrong-spelling variants for biofuel, with forms such as "bbiofuel", "bifouel", and "biofeul". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From bio- + fuel. The correct English form is biofuel, spelled B-I-O-F-U-E-L.

Definition

  1. 1
    Any fuel that is obtained from a renewable biological resource, especially from biomass.

Recorded use

Wiktionary examples

These source excerpts show how biofuel appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Even second-generation biofuels, made from crop wastes or wood, are an environmental disaster, either extending the cultivated area or removing the straw and stovers which protect the soil from erosion and keep carbon and nutrients in the ground.
  2. The Environmental Protection Agency announced proposed changes to its biofuels program Tuesday to spur more biofuel use and crack down on waivers issued to refineries by the Trump administration, notching a win for the biofuels industry and farmers and a blow to oil refineries.

Etymology

From bio- + fuel.

This word in other languages

Biosprit(Deutsch)

Common misspellings

Also misspelled as:

  • bbiofuel
  • bifouel
  • biofeul
  • bioffuel
  • biofuell
  • biofule
  • bioufel
  • boifuel
  • ibofuel

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of biofuel - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

bbiofuel1bifouel2biofeul2bioffuel1biofuell1biofule2bioufel2boifuel2
Edit distance from "biofuel"

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 "biofuel"?
"biofuel" is spelled B-I-O-F-U-E-L. The IPA pronunciation is /ˈbaɪ.əʊˌfjʊ(.ə)l/.
What does "biofuel" mean?
As a noun, "biofuel" means: Any fuel that is obtained from a renewable biological resource, especially from biomass.
What are common misspellings of "biofuel"?
Common misspellings include "bbiofuel", "bifouel", "biofeul", "bioffuel", "biofuell". The correct spelling is "biofuel".
How do you pronounce "biofuel"?
The IPA (International Phonetic Alphabet) transcription for "biofuel" is /ˈbaɪ.əʊˌfjʊ(.ə)l/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "biofuel"?
From bio- + fuel. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "biofuel", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Beretta#41,013bellied#41,012bauxite#41,009baddest#41,004

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

Buchan9 variantsCargill9 variantscellist9 variantscogent9 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list