biodiesel

noun

"biodiesel" is a 9-letter English headword indexed on PlainSpell.

The verdict

“biodiesel” has 12 generated spelling variants in the English index at frequency #44,085. The variants make it a useful spelling check.

#44,085
frequency rank, English
4,121
“B” headwords
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fuel for diesel engines made from renewable organic raw materials, as opposed to fossil hydrocarbons.

Corpus desk

Index EN-biodiesel · biodiesel · English

biodiesel · rank #44,085 · 12 variants · 0 confusables

  • FREQ-MID #44,085
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-MID 12 variants
  • BOOK-MID 4,121
  • PHOTO-FINISH bilingualism

Nearest frequency peer: bilingualism (-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 “biodiesel”

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

corpus weight

What this shows “biodiesel” 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 biodiesel
PropertyValue
Headwordbiodiesel
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#44,085
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “biodiesel”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).biodiesellands 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 “bilingualism” (#44,084), “blogosphere” (#44,086), “BMT” (#44,087). Among 4,121 “B” headwords, “biodiesel” is #44,085. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around biodiesel, anoun. Corpus frequency is #44,085 among 4,121 “B” headwords. Dominant gloss: "Fuel for diesel engines made from renewable organic raw materials, as opposed to fossil hydrocarbons.".

Our generated misspelling index lists 12 likely wrong-spelling variants for biodiesel, with forms such as "bbiodiesel", "bidoiesel", and "bioddiesel". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From bio- + diesel. The correct English form is biodiesel, spelled B-I-O-D-I-E-S-E-L.

Definition

  1. 1
    Fuel for diesel engines made from renewable organic raw materials, as opposed to fossil hydrocarbons.

Recorded use

Wiktionary examples

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

  1. Biodiesel is an increasingly popular alternative fuel because it's made by refining oil. Thinner than vegetable oil, biodiesel can power diesel engines without further conversion.
  2. Biodiesel is a technologically feasible alternative to petrodiesel, but nowadays biodiesel costs 1.5 to 3 times more than fossil diesel in developed countries.

Etymology

From bio- + diesel.

This word in other languages

Common misspellings

Also misspelled as:

  • bbiodiesel
  • bidoiesel
  • bioddiesel
  • biodeisel
  • biodieesl
  • biodiesell
  • biodiesle
  • biodiessel
  • biodiseel
  • bioidesel
  • boidiesel
  • ibodiesel

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of biodiesel - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

bbiodiesel1bidoiesel2bioddiesel1biodeisel2biodieesl2biodiesell1biodiesle2biodiessel1
Edit distance from "biodiesel"

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 "biodiesel"?
"biodiesel" is spelled B-I-O-D-I-E-S-E-L.
What does "biodiesel" mean?
As a noun, "biodiesel" means: Fuel for diesel engines made from renewable organic raw materials, as opposed to fossil hydrocarbons.
What are common misspellings of "biodiesel"?
Common misspellings include "bbiodiesel", "bidoiesel", "bioddiesel", "biodeisel", "biodieesl". The correct spelling is "biodiesel".
What is the origin of the word "biodiesel"?
From bio- + diesel. 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 "biodiesel", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list