back matter

noun

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

The verdict

“back matter” 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 September 3, 2026) - The parts of a book that appear after the main portion of the body text.

Corpus desk

Index EN-back-matter · back matter · English

back matter · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 back matter
PropertyValue
Headwordback matter
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “back matter” in English

back mattersits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

back matter is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The parts of a book that appear after the main portion of the body text.".

We couldn't generate a plausible misspelling set for back matter, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Wiktionary doesn't record an etymology 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 back matter, spelled B-A-C-K- -M-A-T-T-E-R.

Definition

  1. 1
    The parts of a book that appear after the main portion of the body text.

Recorded use

Wiktionary example

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

  1. Meronyms: afterword, epilogue, outro, postscript; addendum, appendix, errata, glossary, supplement; index; bibliography; endnotes; author, colophon, postface

Synonyms

back matterend matter

Antonyms

body matterfront matter

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 matter"?
"back matter" is spelled B-A-C-K- -M-A-T-T-E-R.
What does "back matter" mean?
As a noun, "back matter" means: The parts of a book that appear after the main portion of the body text.
What language does "back matter" come from?
"back matter" 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