assertion
\a.sɛʁ.sjɔ̃\
The verdict
“assertion” is a moderately-common French word, ranked #33,984 in French word frequency and used as a noun.
- #33,984
- frequency rank, French
- 9
- letters
- 11
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Proposition qu’on avance et qu’on soutient comme vraie.
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 | assertion |
| Language | French |
| Part of speech | Noun |
| IPA | \a.sɛʁ.sjɔ̃\ |
| Letters | 9 |
| Frequency rank | #33,984 |
| Misspellings tracked | 11 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “assertion” sits in French frequency
Spelling & Dictionary Insight
The French entry for assertion is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \a.sɛʁ.sjɔ̃\. Corpus data places it at rank #33,984 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 11 likely wrong-spelling variants for assertion, with forms such as "asertion", "asesrtion", and "asseriton". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "assertions", where similar look or sound leads writers to substitute one word for another in context.
This headword's origin isn't recorded in our source data, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is assertion, spelled A-S-S-E-R-T-I-O-N.
Definition
- 1Proposition qu’on avance et qu’on soutient comme vraie.
- 2Proposition mathématique vraie.
- 3Expression évaluée à vrai.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: asertion,asesrtion,asseriton,asserrtion,assertino,assertionn,assertoin,asserttion,assetrion,assretion,sasertion
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of assertion - 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.
Frequently Asked Questions
How do you spell "assertion"?
What does "assertion" mean?
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Using “assertion”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is A-S-S-E-R-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as \a.sɛʁ.sjɔ̃\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “assertions” - see the side-by-side comparison. assertion vs assertions
- 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.