exa-

\ɛɡ.za\

/\ɛɡ.za\/ prefix

The verdict

“exa-” 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
4
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par 10¹⁸. Son symbole est E.

Key facts for exa-
PropertyValue
Headwordexa-
LanguageFrench
Part of speechPrefix
IPA\ɛɡ.za\
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “exa-” sits in French frequency

exa- 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 exa- is 4 letters long, classified as a prefix, and transcribed in the International Phonetic Alphabet as \ɛɡ.za\. 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: "Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par 10¹⁸. Son symbole est E.".

The misspelling generator found no plausible variants for exa-, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, 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 best explained by sound-to-letter mapping rather than etymology. The correct French form is exa-, spelled E-X-A--.

Definition

  1. 1
    Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par 10¹⁸. Son symbole est E.

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 "exa-"?
"exa-" is spelled E-X-A--. The IPA pronunciation is \ɛɡ.za\.
What does "exa-" mean?
As a prefix, "exa-" means: Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par 10¹⁸. Son symbole est E.
How do you pronounce "exa-"?
The IPA (International Phonetic Alphabet) transcription for "exa-" is \ɛɡ.za\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "exa-" come from?
"exa-" 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 “exa-”

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

  • The one correct French spelling is E-X-A-- - every other letter order is a misspelling in standard orthography.
  • Say it as \ɛɡ.za\ (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