fev

symbol

The verdict

“fev” is uncommon French (frequency #68,285 among 3,276 “F” headwords), classed as a symbol. The kind of spelling people second-guess.

#68,285
frequency rank, French
3,276
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Symbole du femtoélectronvolt, unité de mesure d’énergie en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10⁻¹⁵ électronvolt.

Corpus desk

Index FR-fev · fev · French

fev · rank #68,285 · 0 variants · 0 confusables

  • FREQ-RARE #68,285
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,276
  • PHOTO-FINISH fidjiens

Nearest frequency peer: fidjiens (+2 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 « fev »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « fev » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fev
PropertyValue
Headwordfev
LanguageFrench
Part of speechSymbol
Letters3
Frequency rank#68,285
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « fev » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).fevtombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Voisins rares de la même bande: « fidjiens » (#68,287), « feliz » (#68,281), « feelings » (#68,280). Parmi 3,276 lemmes en « F », « fev » est au #68,285. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fev is uncommon French at frequency #68,285 among 3,276 “F” headwords, classed as asymbol. Rarity is why readers land here mid-draft. Gloss: "Symbole du femtoélectronvolt, unité de mesure d’énergie en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10⁻¹⁵ électronvolt.".

Zero misspellings are on record for fev in our index, which points to an orthography that plays by predictable French rules. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is fev, spelled F-E-V.

Definition

  1. 1
    Symbole du femtoélectronvolt, unité de mesure d’énergie en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10⁻¹⁵ électronvolt.

Recorded use

Wiktionary example

These source excerpts show how fev appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. When the photons involved are very tiny, as they are in decahertz waves, with energies in the femtoelectronvolt range, there are so many of them in structures as big as brainwaves that classical wave analysis can take us a long way, but strictly speaking we’re dealing with a quantum reality here. […] There are three obvious differences: • Brainwave photon…

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 "fev"?
"fev" is spelled F-E-V.
What does "fev" mean?
As a symbol, "fev" means: Symbole du femtoélectronvolt, unité de mesure d’énergie en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10⁻¹⁵ électronvolt.
What language does "fev" come from?
"fev" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "fev", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 3 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list