interféron
\ɛ̃.tɛʁ.fe.ʁɔ̃\
The verdict
“interféron” is uncommon French (frequency #72,436 among 3,561 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #72,436
- frequency rank, French
- 3,561
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Protéines naturellement produites par les cellules lors d'une infection virale et qui s'opposent au développement des virus.
Corpus desk
Index FR-interferon · interféron · French
interféron · rank #72,436 · 0 variants · 0 confusables
- FREQ-RARE #72,436
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,561
- PHOTO-FINISH interbancaire
Nearest frequency peer: interbancaire (-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.
Rangs de longue queue près de « interféron »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- insularité
insularité
27,567 corpus weight
- interbancai…
interbancaire
27,566 corpus weight
- interféron
interféron
27,565 corpus weight
- interjection
interjection
27,564 corpus weight
- interrogeai…
interrogeaient
27,563 corpus weight
- intoxiqués
intoxiqués
27,562 corpus weight
What this shows Vue de longue queue: où « interféron » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | interféron |
| Language | French |
| Part of speech | Noun |
| IPA | \ɛ̃.tɛʁ.fe.ʁɔ̃\ |
| Letters | 10 |
| Frequency rank | #72,436 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « interféron » en français
Rare enough to double-check
interféron is uncommon French at frequency #72,436 among 3,561 “I” headwords, classed as anoun, transcribed \ɛ̃.tɛʁ.fe.ʁɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Protéines naturellement produites par les cellules lors d'une infection virale et qui s'opposent au développement des virus.".
We couldn't generate a plausible misspelling set for interféron, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is interféron, spelled I-N-T-E-R-F-É-R-O-N.
Definition
- 1Protéines naturellement produites par les cellules lors d'une infection virale et qui s'opposent au développement des virus.
Recorded use
Wiktionary examplesThese source excerpts show how interféron appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Elle a aussi cherché la présence d’interférons, ces molécules antivirales naturellement produites par les cellules en cas d’infection.
Ils ont observé plusieurs différences flagrantes dans les gènes codant pour plusieurs protéines immunitaires et inflammatoires, en particulier au niveau des interférons, une classe de protéines qui jouent des rôles centraux dans le contrôle de l’inflammation.
This word in other languages
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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Similar French words by spelling shape
Same letter count and similar misspelling depth for "interféron", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 10 letters (nearest by frequency rank).