écrou
\e.kʁu\
The verdict
“écrou” has 7 generated spelling variants in the French index at frequency #34,814. The variants make it a useful spelling check.
- #34,814
- frequency rank, French
- 1,805
- “É” headwords
- 7
- tracked misspellings
- 18
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pièce d’assemblage mécanique d’acier, ou de toute autre matière solide, percée d’un taraudage, et dans lequel entre une vis ou une tige filetée en rotation.
Corpus desk
Index FR-ecrou · écrou · French
écrou · rank #34,814 · 7 variants · 18 confusables
- FREQ-MID #34,814
- LEN-MID 5 letters
- VOW-3 3 vowels
- CONFUS-HIGH 18 pairs
- VAR-MID 7 variants
- BOOK-MID 1,805
- PHOTO-FINISH égalise
Nearest frequency peer: égalise (+1 rank slots)
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 “écrou”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- WWW
WWW
65,190 corpus weight
- Wyoming
Wyoming
65,189 corpus weight
- écrou
écrou
65,187 corpus weight
- égalise
égalise
65,186 corpus weight
- égarer
égarer
65,184 corpus weight
- élancer
élancer
65,183 corpus weight
What this shows Bars show where “écrou” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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 | écrou |
| Language | French |
| Part of speech | Noun |
| IPA | \e.kʁu\ |
| Letters | 5 |
| Frequency rank | #34,814 |
| Misspellings tracked | 7 |
| Confusable pairs | 18 |
| Source | Wiktionary (kaikki.org) |
Where “écrou” sits in French frequency
A misspelling magnet
The generator records 7 spelling variants around écrou (IPA \e.kʁu\), anoun. Corpus frequency is #34,814 among 1,805 “É” headwords. Dominant gloss: "Pièce d’assemblage mécanique d’acier, ou de toute autre matière solide, percée d’un taraudage, et dans lequel entre une vis ou une tige filetée en rotation.".
Our generated misspelling index lists 7 likely wrong-spelling variants for écrou, with forms such as "cérou", "ecrou", and "éccrou". 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 18 confusable-pair relationships, "écu", "euro", "euros", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is écrou, spelled É-C-R-O-U.
Definition
- 1Pièce d’assemblage mécanique d’acier, ou de toute autre matière solide, percée d’un taraudage, et dans lequel entre une vis ou une tige filetée en rotation.
Recorded use
Wiktionary examplesThese source excerpts show how écrou appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
L’écrou d’un pressoir.
Ecroüe, (féminin) .c'est en tous instrumens où il y a vis la pièce de bois, & le trou dans lequel la vis tourne en montant & descendant, ainsi dit on l'Ecroüe d'un pressoir. Tfïucxkens hout of yfers, of gat daer de Vijfe in komt of drayet.
This word in other languages
Common misspellings
Also misspelled as:
- cérou
- ecrou
- éccrou
- écoru
- écrrou
- écruo
- ércou
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of écrou - 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.
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 French 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 September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "écrou"?
What does "écrou" mean?
What words are commonly confused with "écrou"?
How do you pronounce "écrou"?
What language does "écrou" come from?
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "écrou", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 5 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (7 here; floor ≥5).
What to do next
You've looked up "écrou". Here's where to go from here.
- "écrou" maps to 18 confusable pairs in this vintage; the highest-scored is "écu". View pair
- 7 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
- Usage frequency rank #34,814 among French headwords in this corpus. Corpus statistics
- Browse more French words in the "É" letter cohort. É–Z browse
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.