secret service

noun

"secret-service" is a 13-letter English headword indexed on PlainSpell.

The verdict

“secret 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
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A governmental agency that deals with espionage and other acts of secrecy.

Corpus desk

Index EN-secret-service · secret service · English

secret service · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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.

Key facts for secret service
PropertyValue
Headwordsecret service
LanguageEnglish
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “secret service” in English

secret serviceranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

secret service is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A governmental agency that deals with espionage and other acts of secrecy.".

secret service has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is secret service, spelled S-E-C-R-E-T- -S-E-R-V-I-C-E.

Definition

  1. 1
    A governmental agency that deals with espionage and other acts of secrecy.

Recorded use

Wiktionary examples

These source excerpts show how secret service appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. True, we have people of the fifth column, and, unfortunately, the sixth column, with us; they have them in every country; but so far in this war the British diplomatic and secret service has not been so successful as that clever, astute brute-man Hitler and his agents.
  2. On the surface, the film is a globe-trotting gross-out caper in which Nobby, who's from a hellish version of the titular Lincolnshire town ("twinned with Chernobyl"), is reunited with his long-lost brother Sebastian (Mark Strong), who has become a spy for the British secret services.

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 "secret service"?
"secret service" is spelled S-E-C-R-E-T- -S-E-R-V-I-C-E.
What does "secret service" mean?
As a noun, "secret service" means: A governmental agency that deals with espionage and other acts of secrecy.
What language does "secret service" come from?
"secret service" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list