demi-décennie

\də.mi.de.se.ni\

/\də.mi.de.se.ni\/ noun

The verdict

“demi-décennie” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency French
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Moitié d’une décennie, soit cinq années.

Key facts for demi-décennie
PropertyValue
Headworddemi-décennie
LanguageFrench
Part of speechNoun
IPA\də.mi.de.se.ni\
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “demi-décennie” sits in French frequency

demi-décennie falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for demi-décennie is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \də.mi.de.se.ni\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Moitié d’une décennie, soit cinq années.".

The misspelling generator found no plausible variants for demi-décennie, a sign its spelling follows regular French conventions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is demi-décennie, spelled D-E-M-I---D-É-C-E-N-N-I-E.

Definition

  1. 1
    Moitié d’une décennie, soit cinq années.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "demi-décennie"?
"demi-décennie" is spelled D-E-M-I---D-É-C-E-N-N-I-E. The IPA pronunciation is \də.mi.de.se.ni\.
What does "demi-décennie" mean?
As a noun, "demi-décennie" means: Moitié d’une décennie, soit cinq années.
How do you pronounce "demi-décennie"?
The IPA (International Phonetic Alphabet) transcription for "demi-décennie" is \də.mi.de.se.ni\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "demi-décennie" come from?
"demi-décennie" 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.

Using “demi-décennie”

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

  • The one correct French spelling is D-E-M-I---D-É-C-E-N-N-I-E - every other letter order is a misspelling in standard orthography.
  • Say it as \də.mi.de.se.ni\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French 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