back office

noun

"back-office" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The IT and infrastructure support services for a company, separate from the public face of the business.

Key facts for back office
PropertyValue
Headwordback office
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “back office” sits in English frequency

back office 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

back office is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The IT and infrastructure support services for a company, separate from the public face of the business.".

back office has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is back office, spelled B-A-C-K- -O-F-F-I-C-E.

Definition

  1. 1
    The IT and infrastructure support services for a company, separate from the public face of the business.

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 "back office"?
"back office" is spelled B-A-C-K- -O-F-F-I-C-E.
What does "back office" mean?
As a noun, "back office" means: The IT and infrastructure support services for a company, separate from the public face of the business.
What language does "back office" come from?
"back office" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “back office”

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

  • The one correct English spelling is B-A-C-K- -O-F-F-I-C-E - 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 FrequencyWords open word-frequency list