Quadrillion

[kvadʁɪˈli̯oːn]

/[kvadʁɪˈli̯oːn]/ noun

The verdict

“Quadrillion” 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
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - die Zahl 10²⁴, also eine Eins mit 24 Nullen

Key facts for Quadrillion
PropertyValue
HeadwordQuadrillion
LanguageGerman
Part of speechNoun
IPA[kvadʁɪˈli̯oːn]
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Quadrillion” sits in German frequency

Quadrillion 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 Quadrillion is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [kvadʁɪˈli̯oːn]. 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: "die Zahl 10²⁴, also eine Eins mit 24 Nullen".

We couldn't generate a plausible misspelling set for Quadrillion, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is Quadrillion, spelled Q-U-A-D-R-I-L-L-I-O-N.

Definition

  1. 1
    die Zahl 10²⁴, also eine Eins mit 24 Nullen

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 "Quadrillion"?
"Quadrillion" is spelled Q-U-A-D-R-I-L-L-I-O-N. The IPA pronunciation is [kvadʁɪˈli̯oːn].
What does "Quadrillion" mean?
As a noun, "Quadrillion" means: die Zahl 10²⁴, also eine Eins mit 24 Nullen
How do you pronounce "Quadrillion"?
The IPA (International Phonetic Alphabet) transcription for "Quadrillion" is [kvadʁɪˈli̯oːn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Quadrillion" come from?
"Quadrillion" is a German word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “Quadrillion”

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

  • The one correct German spelling is Q-U-A-D-R-I-L-L-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as [kvadʁɪˈli̯oːn] (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