extravehicular activity
"extravehicular-activity" is a 22-letter English headword indexed on PlainSpell.
The verdict
“extravehicular activity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 23
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any activity done by an astronaut outside of a spacecraft etc.
| Property | Value |
|---|---|
| Headword | extravehicular activity |
| Language | English |
| Part of speech | Noun |
| Letters | 23 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “extravehicular activity” sits in English frequency
Rare enough to double-check
extravehicular activity is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any activity done by an astronaut outside of a spacecraft etc.".
extravehicular activity has no tracked misspelling variants, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is extravehicular activity, spelled E-X-T-R-A-V-E-H-I-C-U-L-A-R- -A-C-T-I-V-I-T-Y.
Definition
- 1Any activity done by an astronaut outside of a spacecraft etc.
Synonyms
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
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Using “extravehicular activity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-X-T-R-A-V-E-H-I-C-U-L-A-R- -A-C-T-I-V-I-T-Y - 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.