epsilon
\ɛp.si.lɔn\
The verdict
“epsilon” is a moderately-common French word, ranked #48,501 in French word frequency and used as a noun.
- #48,501
- frequency rank, French
- 7
- letters
- 10
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - ε, Ε, cinquième lettre et deuxième voyelle de l’alphabet grec.
| Property | Value |
|---|---|
| Headword | epsilon |
| Language | French |
| Part of speech | Noun |
| IPA | \ɛp.si.lɔn\ |
| Letters | 7 |
| Frequency rank | #48,501 |
| Misspellings tracked | 10 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “epsilon” sits in French frequency
Spelling & Dictionary Insight
The French entry for epsilon is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ɛp.si.lɔn\. Corpus data places it at rank #48,501 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 10 likely wrong-spelling variants for epsilon, with forms such as "epislon", "eppsilon", and "epsillon". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is epsilon, spelled E-P-S-I-L-O-N.
Definition
- 1ε, Ε, cinquième lettre et deuxième voyelle de l’alphabet grec.
- 2ɛ, Ɛ, lettre latine additionnelle.
- 3Symbole fréquemment utilisé pour désigner une quantité arbitrairement petite voire infiniment petite.
- 4Désigne une chose négligeable.
- 5Enfant ou homme dont l’opinion compte peu ou qui ne pense pas. Sens introduit par Le Meilleur des mondes d’Aldous Huxley en 1932.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: epislon,eppsilon,epsillon,epsilno,epsilonn,epsioln,epslion,epssilon,espilon,pesilon
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of epsilon - 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
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Using “epsilon”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is E-P-S-I-L-O-N - every other letter order is a misspelling in standard orthography.
- Say it as \ɛp.si.lɔn\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.