Lustrum

[ˈlʊstʁʊm]

/[ˈlʊstʁʊm]/ noun

The verdict

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

Unranked
below top-frequency German
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Zeitraum von fünf Jahren

Key facts for Lustrum
PropertyValue
HeadwordLustrum
LanguageGerman
Part of speechNoun
IPA[ˈlʊstʁʊm]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Lustrum” sits in German frequency

Lustrum falls outside the top-100,000 ranked German 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 German entry for Lustrum is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈlʊstʁʊm]. 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: "Zeitraum von fünf Jahren".

The misspelling generator found no plausible variants for Lustrum, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is Lustrum, spelled L-U-S-T-R-U-M.

Definition

  1. 1
    Zeitraum von fünf Jahren

Synonyms

JahrfünftFünfjahresperiodeQuinquennium

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 "Lustrum"?
"Lustrum" is spelled L-U-S-T-R-U-M. The IPA pronunciation is [ˈlʊstʁʊm].
What does "Lustrum" mean?
As a noun, "Lustrum" means: Zeitraum von fünf Jahren
How do you pronounce "Lustrum"?
The IPA (International Phonetic Alphabet) transcription for "Lustrum" is [ˈlʊstʁʊm]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Lustrum" come from?
"Lustrum" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “Lustrum”

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

  • The one correct German spelling is L-U-S-T-R-U-M - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈlʊstʁʊm] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more German words and confusable pairs in the same reference. German 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 FrequencyWords open word-frequency list