extra-
"extra" is a 5-letter English headword indexed on PlainSpell.
The verdict
“extra-” is outside the top-ranked English vocabulary, used as a prefix - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Outside of, beyond.
| Property | Value |
|---|---|
| Headword | extra- |
| Language | English |
| Part of speech | Prefix |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “extra-” sits in English frequency
Spelling & Dictionary Insight
The English 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. The dominant gloss from Wiktionary reads: "Outside of, beyond.".
No misspelling variants are generated for extra- in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From Latin extra (“outside, except, beyond”, adverb and preposition), from exter (“being on the outside”). The correct English form is extra-, spelled E-X-T-R-A--.
Definition
- 1Outside of, beyond.
Etymology
From Latin extra (“outside, except, beyond”, adverb and preposition), from exter (“being on the outside”).
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-"?
What does "extra-" mean?
What is the origin of the word "extra-"?
Is PlainSpell free to use?
Using “extra-”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-X-T-R-A-- - every other letter order is a misspelling in standard orthography.
- 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.