lower case

/ˈləʊ.ə(ɹ)ˌkeɪs/

//ˈləʊ.ə(ɹ)ˌkeɪs// noun

"lower-case" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C).

Key facts for lower case
PropertyValue
Headwordlower case
LanguageEnglish
Part of speechNoun
IPA/ˈləʊ.ə(ɹ)ˌkeɪs/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “lower case” sits in English frequency

lower case 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

lower case is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈləʊ.ə(ɹ)ˌkeɪs/. Rarity is why readers land here mid-draft. Gloss: "The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C).".

We couldn't generate a plausible misspelling set for lower case, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Named for the original arrangement in typesetting, where the drawer or case containing minuscule letters would traditionally be located below the one containing capital letters. The correct English form is lower case, spelled L-O-W-E-R- -C-A-S-E.

Definition

  1. 1
    The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C).

Etymology

Named for the original arrangement in typesetting, where the drawer or case containing minuscule letters would traditionally be located below the one containing capital letters.

Synonyms

small letterminuscule

Antonyms

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 "lower case"?
"lower case" is spelled L-O-W-E-R- -C-A-S-E. The IPA pronunciation is /ˈləʊ.ə(ɹ)ˌkeɪs/.
What does "lower case" mean?
As a noun, "lower case" means: The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C).
How do you pronounce "lower case"?
The IPA (International Phonetic Alphabet) transcription for "lower case" is /ˈləʊ.ə(ɹ)ˌkeɪs/. 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 "lower case"?
Named for the original arrangement in typesetting, where the drawer or case containing minuscule letters would traditionally be located below the one containing capital letters. 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 “lower case”

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

  • The one correct English spelling is L-O-W-E-R- -C-A-S-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈləʊ.ə(ɹ)ˌkeɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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