slipcase

/ˈslɪpkeɪs/

//ˈslɪpkeɪs// noun

"slipcase" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A box, open on one end, for keeping a set of books together.

Corpus desk

Index EN-slipcase · slipcase · English

slipcase · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 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 slipcase
PropertyValue
Headwordslipcase
LanguageEnglish
Part of speechNoun
IPA/ˈslɪpkeɪs/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “slipcase” in English

slipcaseranks 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

slipcase is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈslɪpkeɪs/. Rarity is why readers land here mid-draft. Gloss: "A box, open on one end, for keeping a set of books together.".

No generated misspelling entries exist for slipcase in our index, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From slip + case. The correct English form is slipcase, spelled S-L-I-P-C-A-S-E.

Definition

  1. 1
    A box, open on one end, for keeping a set of books together.

Etymology

From slip + case.

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 "slipcase"?
"slipcase" is spelled S-L-I-P-C-A-S-E. The IPA pronunciation is /ˈslɪpkeɪs/.
What does "slipcase" mean?
As a noun, "slipcase" means: A box, open on one end, for keeping a set of books together.
How do you pronounce "slipcase"?
The IPA (International Phonetic Alphabet) transcription for "slipcase" is /ˈslɪpkeɪs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "slipcase"?
From slip + case. 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.

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

Source: FrequencyWords open word-frequency list