security service
/sɪˌkjʊə̯.ɪ.tiː ˈsɜː.vɪs/
"security-service" is a 15-letter English headword indexed on PlainSpell.
The verdict
“security service” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A government organization established to protect its nation and its secrets from enemies.
| Property | Value |
|---|---|
| Headword | security service |
| Language | English |
| Part of speech | Noun |
| IPA | /sɪˌkjʊə̯.ɪ.tiː ˈsɜː.vɪs/ |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “security service” sits in English frequency
Rare enough to double-check
security service is uncommon English outside the top frequency list, classed as anoun, transcribed /sɪˌkjʊə̯.ɪ.tiː ˈsɜː.vɪs/. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for security service, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is security service, spelled S-E-C-U-R-I-T-Y- -S-E-R-V-I-C-E.
Definition
- 1A government organization established to protect its nation and its secrets from enemies.
- 2Used other than figuratively or idiomatically: see security, service.
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 “security service”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-C-U-R-I-T-Y- -S-E-R-V-I-C-E - every other letter order is a misspelling in standard orthography.
- Say it as /sɪˌkjʊə̯.ɪ.tiː ˈsɜː.vɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.