exfil
"exfil" is a 5-letter English headword indexed on PlainSpell.
The verdict
“exfil” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Clipping of exfiltration (“the act of going out of a place”).
Corpus desk
Index EN-exfil · exfil · English
exfil · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "E" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | exfil |
| Language | English |
| Part of speech | Noun |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “exfil” in English
Rare enough to double-check
exfil is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for exfil, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is exfil, spelled E-X-F-I-L.
Definition
- 1Clipping of exfiltration (“the act of going out of a place”).
- 2Clipping of exfiltration (“covert extraction of data”).
Recorded use
Wiktionary examplesThese source excerpts show how exfil appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
After all this information has been gained, the troops and teams start conducting rehearsals on hitting the target. What this means is that they will conduct Full Mission Profiles (FMP). This covers every aspect of the operation — the infil to the target, actions on the objective, and then exfil from the target location back to the staging area.
And unlike battle royale games such as Call of Duty: Warzone or Fortnite, teams can escape at any time, just by getting to one of several exfil sites and calling in a helicopter.
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.