concentration camp

noun

By · According to Wiktionary data (CC BY-SA) ·

"concentration-camp" is a 17-letter English headword indexed on PlainSpell.

The verdict

“concentration camp” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A camp where troops are assembled, prior to combat or transport.

Key facts for concentration camp
PropertyValue
Headwordconcentration camp
LanguageEnglish
Part of speechNoun
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “concentration camp” sits in English frequency

concentration camp falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

concentration camp is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

No misspelling variants are generated for concentration camp in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From concentration + camp. In later use partly after German Konzentrationslager, itself a calque of the English term. The correct English form is concentration camp, spelled C-O-N-C-E-N-T-R-A-T-I-O-N- -C-A-M-P.

Definition

  1. 1
    A camp where troops are assembled, prior to combat or transport.
  2. 2
    A camp where large numbers of people, especially political prisoners, prisoners of war, refugees etc., are detained for the purpose of confining them in one place, typically with inadequate or inhumane facilities.
  3. 3
    A situation of overcrowding and extremely harsh conditions.

Etymology

From concentration + camp. In later use partly after German Konzentrationslager, itself a calque of the English term.

This word in other languages

campo de concentración(Español)camp de concentration(Français)Konzentrationslager(Deutsch)

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 "concentration camp"?
"concentration camp" is spelled C-O-N-C-E-N-T-R-A-T-I-O-N- -C-A-M-P.
What does "concentration camp" mean?
As a noun, "concentration camp" means: A camp where troops are assembled, prior to combat or transport.
What is the origin of the word "concentration camp"?
From concentration + camp. In later use partly after German Konzentrationslager, itself a calque of the English term. See the full etymology section above for more details.
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.

Using “concentration camp”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-O-N-C-E-N-T-R-A-T-I-O-N- -C-A-M-P - 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.

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

Source: FrequencyWords open word-frequency list