leaven

/ˈlɛv.ən/

//ˈlɛv.ən// noun

"leaven" is a 6-letter English headword indexed on PlainSpell.

The verdict

“leaven” is an uncommon English word, ranked #65,258 in English word frequency and used as a noun.

#65,258
frequency rank, English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any agent used to make dough rise or to have a similar effect on baked goods.

Key facts for leaven
PropertyValue
Headwordleaven
LanguageEnglish
Part of speechNoun
IPA/ˈlɛv.ən/
Letters6
Frequency rank#65,258
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “leaven” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). leaven lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for leaven is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈlɛv.ən/. Corpus data places it at rank #65,258 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for leaven, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From Middle English levayn, borrowed from Old French levain, from Vulgar Latin *levāmen, a noun based on Latin levō (“raise”). The correct English form is leaven, spelled L-E-A-V-E-N.

Definition

  1. 1
    Any agent used to make dough rise or to have a similar effect on baked goods.
  2. 2
    Anything that induces change, especially a corrupting or vitiating change.
  3. 3
    Chametz.

Etymology

From Middle English levayn, borrowed from Old French levain, from Vulgar Latin *levāmen, a noun based on Latin levō (“raise”).

Synonyms

leavening agentraising agent

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "leaven"?
"leaven" is spelled L-E-A-V-E-N. The IPA pronunciation is /ˈlɛv.ən/.
What does "leaven" mean?
As a noun, "leaven" means: Any agent used to make dough rise or to have a similar effect on baked goods.
How do you pronounce "leaven"?
The IPA (International Phonetic Alphabet) transcription for "leaven" is /ˈlɛv.ən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "leaven"?
From Middle English levayn, borrowed from Old French levain, from Vulgar Latin *levāmen, a noun based on Latin levō (“raise”). See the full etymology section above for more details.
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.

Using “leaven”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is L-E-A-V-E-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈlɛv.ən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list