extra-

prefix

The verdict

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

Unranked
below top-frequency French
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Préfixe des mots pour indiquer un rapport avec l'extérieur, le dehors.

Key facts for extra-
PropertyValue
Headwordextra-
LanguageFrench
Part of speechPrefix
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “extra-” sits in French frequency

extra- 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 extra- is 6 letters long, classified as a prefix. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

We couldn't generate a plausible misspelling set for extra-, a sign its spelling follows regular French conventions. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is extra-, spelled E-X-T-R-A--.

Definition

  1. 1
    Préfixe des mots pour indiquer un rapport avec l'extérieur, le dehors.
  2. 2
    Préfixe des adjectifs pour indiquer un superlatif de qualité, à la place des adverbes extrêmement, très ou de la locution adjectivale hors du commun.

Synonyms

Antonyms

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "extra-"?
"extra-" is spelled E-X-T-R-A--.
What does "extra-" mean?
As a prefix, "extra-" means: Préfixe des mots pour indiquer un rapport avec l'extérieur, le dehors.
What language does "extra-" come from?
"extra-" 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.

Using “extra-”

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

  • The one correct French spelling is E-X-T-R-A-- - every other letter order is a misspelling in standard orthography.
  • 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