sleeping pill

noun

"sleeping-pill" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A pill or tablet having a soporific effect.

Key facts for sleeping pill
PropertyValue
Headwordsleeping pill
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sleeping pill” sits in English frequency

sleeping pill 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

sleeping pill is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A pill or tablet having a soporific effect.".

We couldn't generate a plausible misspelling set for sleeping pill, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is sleeping pill, spelled S-L-E-E-P-I-N-G- -P-I-L-L.

Definition

  1. 1
    A pill or tablet having a soporific effect.

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 "sleeping pill"?
"sleeping pill" is spelled S-L-E-E-P-I-N-G- -P-I-L-L.
What does "sleeping pill" mean?
As a noun, "sleeping pill" means: A pill or tablet having a soporific effect.
What language does "sleeping pill" come from?
"sleeping pill" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “sleeping pill”

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

  • The one correct English spelling is S-L-E-E-P-I-N-G- -P-I-L-L - 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