off the books

prep_phrase

"off-the-books" is a 11-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - With regard to income, undeclared for taxes and social insurance purposes, etc.

Corpus desk

Index EN-off-the-books · off the books · English

off the books · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 off the books
PropertyValue
Headwordoff the books
LanguageEnglish
Part of speechPrep_phrase
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “off the books” in English

off the booksfalls 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

off the books is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. Gloss: "With regard to income, undeclared for taxes and social insurance purposes, etc.".

off the books doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is off the books, spelled O-F-F- -T-H-E- -B-O-O-K-S.

Definition

  1. 1
    With regard to income, undeclared for taxes and social insurance purposes, etc.

Recorded use

Wiktionary example

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

  1. His company was fined for paying staff off the books.

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 "off the books"?
"off the books" is spelled O-F-F- -T-H-E- -B-O-O-K-S.
What does "off the books" mean?
As a prep_phrase, "off the books" means: With regard to income, undeclared for taxes and social insurance purposes, etc.
What language does "off the books" come from?
"off the books" 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