alun

\a.lœ̃\

/\a.lœ̃\/ noun

The verdict

“alun” is uncommon French (frequency #53,120 among 6,727 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#53,120
frequency rank, French
6,727
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Nom générique donné aux sulfates doubles d'aluminium avec un autre ion, mais aussi à d'autre sulfates où l'aluminium est remplacé par d'autres métaux.

Corpus desk

Index FR-alun · alun · French

alun · rank #53,120 · 0 variants · 0 confusables

  • FREQ-RARE #53,120
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,727
  • PHOTO-FINISH alten

Nearest frequency peer: alten (-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 « alun »

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 « alun » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for alun
PropertyValue
Headwordalun
LanguageFrench
Part of speechNoun
IPA\a.lœ̃\
Letters4
Frequency rank#53,120
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « alun » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).aluntombe 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: « alten » (#53,119), « Amalric » (#53,121), « Algerien » (#53,118). Parmi 6,727 lemmes en « A », « alun » est au #53,120. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

alun is uncommon French at frequency #53,120 among 6,727 “A” headwords, classed as anoun, transcribed \a.lœ̃\. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for alun in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

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 alun, spelled A-L-U-N.

Definition

  1. 1
    Nom générique donné aux sulfates doubles d'aluminium avec un autre ion, mais aussi à d'autre sulfates où l'aluminium est remplacé par d'autres métaux.
  2. 2
    Sulfate acide d’aluminium et de potassium, ou d’ammonium. Sel astringent utilisé dans les arts, en teinturerie et en thérapeutique.

Recorded use

Wiktionary examples

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

  1. La salure en est beaucoup plus forte que celle de la mer, et elle produit sur les lèvres l’effet d’une forte solution d’alun.
  2. Plus tard on a reconnu que les acides chromique, chlorique, borique, acétique, et oxalique, ainsi que les chlorures de magnésium et d'étain, et enfin les aluns, se comportaient comme l'acide fluorhydrique.

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

How do you spell "alun"?
"alun" is spelled A-L-U-N. The IPA pronunciation is \a.lœ̃\.
What does "alun" mean?
As a noun, "alun" means: Nom générique donné aux sulfates doubles d'aluminium avec un autre ion, mais aussi à d'autre sulfates où l'aluminium est remplacé par d'autres métaux.
How do you pronounce "alun"?
The IPA (International Phonetic Alphabet) transcription for "alun" is \a.lœ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "alun" come from?
"alun" 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 "alun", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list