flywheel
"flywheel" is a 8-letter English headword indexed on PlainSpell.
The verdict
“flywheel” has 13 generated spelling variants in the English index at frequency #38,841. The variants make it a useful spelling check.
- #38,841
- frequency rank, English
- 18,613
- “F” headwords
- 13
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate, or as a form of energy storage.
Corpus desk
Index EN-flywheel · flywheel · English
flywheel · rank #38,841 · 13 variants · 0 confusables
- FREQ-MID #38,841
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-HIGH 13 variants
- BOOK-DENSE 18,613
- PHOTO-FINISH flexed
Nearest frequency peer: flexed (-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.
Frequency neighbourhood for “flywheel”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- felling
felling
61,164 corpus weight
- fester
fester
61,163 corpus weight
- feuding
feuding
61,162 corpus weight
- flexed
flexed
61,161 corpus weight
- flywheel
flywheel
61,160 corpus weight
- foregone
foregone
61,158 corpus weight
What this shows Bars show where “flywheel” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | flywheel |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Frequency rank | #38,841 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “flywheel” sits in English frequency
A misspelling magnet
The generator records 13 spelling variants around flywheel, anoun. Corpus frequency is #38,841 among 18,613 “F” headwords. Dominant gloss: "A rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate, or as a form of energy storage.".
Our generated misspelling index lists 13 likely wrong-spelling variants for flywheel, with forms such as "fflywheel", "fllywheel", and "flwyheel". 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 is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From fly + wheel. The correct English form is flywheel, spelled F-L-Y-W-H-E-E-L.
Definition
- 1A rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate, or as a form of energy storage.
Etymology
From fly + wheel.
This word in other languages
Common misspellings
Also misspelled as:
- fflywheel
- fllywheel
- flwyheel
- flyhweel
- flywehel
- flywheell
- flywhel
- flywhele
- flywhheel
- flywwheel
- flyywheel
- fylwheel
- lfywheel
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of flywheel - 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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "flywheel"?
What does "flywheel" mean?
What are common misspellings of "flywheel"?
What is the origin of the word "flywheel"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "flywheel", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (13 here; floor ≥5).
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.