lumen

\ly.mɛn\

/\ly.mɛn\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“lumen” has 7 generated spelling variants in the French index at frequency #43,534. The variants make it a useful spelling check.

#43,534
frequency rank, French
2,567
“L” headwords
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unité de mesure de flux lumineux du Système international, équivalant à une candela-stéradian, définie comme le flux lumineux de la lumière monochromatique de fréquence de 540 térahertz et de puiss...

Corpus desk

Index FR-lumen · lumen · French

lumen · rank #43,534 · 7 variants · 20 confusables

  • FREQ-MID #43,534
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 7 variants
  • BOOK-MID 2,567
  • PHOTO-FINISH Lucette

Nearest frequency peer: Lucette (-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.

Pairs de rang près de l'aimant d'erreurs « lumen »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « lumen » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

lumen vs Lun
40% similar
lumen vs lune
60% similar
lumen vs luxe
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for lumen
PropertyValue
Headwordlumen
LanguageFrench
Part of speechNoun
IPA\ly.mɛn\
Letters5
Frequency rank#43,534
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « lumen »

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.lumense place ici:

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Dans la même bande de rareté figurent « Lucette » (#43,533), « luminaires » (#43,535), « loud » (#43,532). Parmi 2,567 lemmes en « L », « lumen » est au #43,534. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around lumen (IPA \ly.mɛn\), anoun. Corpus frequency is #43,534 among 2,567 “L” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for lumen, with forms such as "llumen", "lmuen", and "luemn". 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 20 confusable-pair relationships, "Lun", "lune", "luxe", and more, 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 best explained by sound-to-letter mapping rather than etymology. The correct French form is lumen, spelled L-U-M-E-N.

Definition

  1. 1
    Unité de mesure de flux lumineux du Système international, équivalant à une candela-stéradian, définie comme le flux lumineux de la lumière monochromatique de fréquence de 540 térahertz et de puissance de 1/683 de watt. Le symbole en est lm.
  2. 2
    Cavité d’un organe creux ou espace intérieur d’un organe tubulaire.
  3. 3
    Espace intérieur d’organites creux, en cytologie.

Recorded use

Wiktionary examples

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

  1. Divers parasites, comme l’Ascaris, vivent dans le lumen d’un organe de leurs hôtes.
  2. Le collagène est produit dans le lumen du réticulum endoplasmique avant d’être exporté vers sa destination finale.

Synonyms

lumière

This word in other languages

lumen(English)lumen(Español)Lumen(Deutsch)lúmen(Português)

Common misspellings

Also misspelled as:

  • llumen
  • lmuen
  • luemn
  • lumenn
  • lummen
  • lumne
  • ulmen

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of lumen - 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.

llumen1lmuen2luemn2lumenn1lummen1lumne2ulmen2
Edit distance from "lumen"

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 "lumen"?
"lumen" is spelled L-U-M-E-N. The IPA pronunciation is \ly.mɛn\.
What does "lumen" mean?
As a noun, "lumen" means: Unité de mesure de flux lumineux du Système international, équivalant à une candela-stéradian, définie comme le flux lumineux de la lumière monochromatique de fréquence de 540 térahertz et de puiss...
What words are commonly confused with "lumen"?
"lumen" is commonly confused with "Lun", "lune", "luxe". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "lumen"?
The IPA (International Phonetic Alphabet) transcription for "lumen" is \ly.mɛn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "lumen" come from?
"lumen" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "lumen", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 5 letters (nearest by frequency rank).

nella#43,571novel#43,574ideas#43,489paces#43,583

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

maigri7 variantsKourou7 variantshallal7 variantspardi7 variants

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

Source: FrequencyWords open word-frequency list