lapsus plumæ

/ˌlæpsəsˈpluːmiː/

//ˌlæpsəsˈpluːmiː// noun

Detailed reference entry for the English word "lapsus-plum", 11-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "lapsus-plum" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "lapsus-plum" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

The verdict

“lapsus plumæ” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of slip of the pen.

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Key facts for lapsus plumæ
PropertyValue
Headwordlapsus plumæ
LanguageEnglish
Part of speechNoun
IPA/ˌlæpsəsˈpluːmiː/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “lapsus plumæ” sits in English frequency

lapsus plumæ 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.

Spelling & Dictionary Insight

The English entry for lapsus plumæ is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌlæpsəsˈpluːmiː/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Synonym of slip of the pen.".

No misspelling variants are generated for lapsus plumæ in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: First attested in 1844; Latin: lāpsus (“a slipping”; in the plural lāpsūs, “slippings”, the nominative plural form of lāpsus) + plūmae (“of the feather or plume”, the genitive singular form of plūma, “feather”, “plume”) = “a slipping of the feather” ≈ “a la… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is lapsus plumæ, spelled L-A-P-S-U-S- -P-L-U-M-Æ, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Synonym of slip of the pen.

Etymology

First attested in 1844; Latin: lāpsus (“a slipping”; in the plural lāpsūs, “slippings”, the nominative plural form of lāpsus) + plūmae (“of the feather or plume”, the genitive singular form of plūma, “feather”, “plume”) = “a slipping of the feather” ≈ “a lapse of the plume” ≈ “a slip of the quill”; compare lapsus linguae and the English-coined French phrase nom de plume.

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “lapsus plumæ, English word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/en/word/lapsus-plum

Frequently Asked Questions

How do you spell "lapsus plumæ"?
"lapsus plumæ" is spelled L-A-P-S-U-S- -P-L-U-M-Æ. The IPA pronunciation is /ˌlæpsəsˈpluːmiː/.
What does "lapsus plumæ" mean?
As a noun, "lapsus plumæ" means: Synonym of slip of the pen.
How do you pronounce "lapsus plumæ"?
The IPA (International Phonetic Alphabet) transcription for "lapsus plumæ" is /ˌlæpsəsˈpluːmiː/. 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 "lapsus plumæ"?
First attested in 1844; Latin: lāpsus (“a slipping”; in the plural lāpsūs, “slippings”, the nominative plural form of lāpsus) + plūmae (“of the feather or plume”, the genitive singular form of plūma, “feather”, “plume”) = “a slipping of the feathe... 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 “lapsus plumæ”

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

  • The one correct English spelling is L-A-P-S-U-S- -P-L-U-M-Æ - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌlæpsəsˈpluːmiː/ (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

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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 FrequencyWords open word-frequency list