supplémentaire
\sy.ple.mɑ̃rkflfk .tɛʁ\
The verdict
“supplémentaire” is a regularly-used French word, ranked #3,367 in French word frequency and used as an adjective.
- #3,367
- frequency rank, French
- 14
- letters
- 20
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qui sert de supplément ; qui s’ajoute.
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 | supplémentaire |
| Language | French |
| Part of speech | Adjective |
| IPA | \sy.ple.mɑ̃rkflfk .tɛʁ\ |
| Letters | 14 |
| Frequency rank | #3,367 |
| Misspellings tracked | 20 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “supplémentaire” sits in French frequency
Spelling & Dictionary Insight
The French entry for supplémentaire is 14 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \sy.ple.mɑ̃rkflfk .tɛʁ\. Corpus data places it at rank #3,367 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 20 likely wrong-spelling variants for supplémentaire, with forms such as "spuplémentaire", "ssupplémentaire", and "suplpémentaire". 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 1 confusable-pair relationship, "supplémentaires", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is supplémentaire, spelled S-U-P-P-L-É-M-E-N-T-A-I-R-E.
Definition
- 1Qui sert de supplément ; qui s’ajoute.
- 2Qualifie les jurés qui sont désignés pour suppléer les jurés titulaires en cas d’absence ou de maladie.
- 3Qualifie des angles dont la somme est égale à deux angles droits.
This word in other languages
Common misspellings
Also misspelled as: spuplémentaire,ssupplémentaire,suplpémentaire,suplémentaire,supplementaire,suppllémentaire,supplméentaire,suppléemntaire,supplémenatire,supplémenntaire,supplémentaier,supplémentairre,supplémentarie,supplémentiare,supplémenttaire,supplémetnaire,supplémmentaire,supplémnetaire,suppélmentaire,uspplémentaire
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of supplémentaire - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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.
Frequently Asked Questions
How do you spell "supplémentaire"?
What does "supplémentaire" mean?
What words are commonly confused with "supplémentaire"?
How do you pronounce "supplémentaire"?
What language does "supplémentaire" come from?
Is PlainSpell free to use?
Using “supplémentaire”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is S-U-P-P-L-É-M-E-N-T-A-I-R-E - every other letter order is a misspelling in standard orthography.
- Say it as \sy.ple.mɑ̃rkflfk .tɛʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “supplémentaires” - see the side-by-side comparison. supplémentaire vs supplémentaires
- Browse more French words and confusable pairs in the same reference. French words
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.