Bilirubin

[biliʁuˈbiːn]

/[biliʁuˈbiːn]/ noun

The verdict

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

Unranked
below top-frequency German
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - orangeroter Gallenfarbstoff, der beim Abbau von Hämoglobin entsteht

Key facts for Bilirubin
PropertyValue
HeadwordBilirubin
LanguageGerman
Part of speechNoun
IPA[biliʁuˈbiːn]
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Bilirubin” sits in German frequency

Bilirubin 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.

Rare enough to double-check

Bilirubin is uncommon German outside the top frequency list, classed as anoun, transcribed [biliʁuˈbiːn]. Rarity is why readers land here mid-draft. Gloss: "orangeroter Gallenfarbstoff, der beim Abbau von Hämoglobin entsteht".

No misspelling variants are generated for Bilirubin in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct German form is Bilirubin, spelled B-I-L-I-R-U-B-I-N.

Definition

  1. 1
    orangeroter Gallenfarbstoff, der beim Abbau von Hämoglobin entsteht

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 "Bilirubin"?
"Bilirubin" is spelled B-I-L-I-R-U-B-I-N. The IPA pronunciation is [biliʁuˈbiːn].
What does "Bilirubin" mean?
As a noun, "Bilirubin" means: orangeroter Gallenfarbstoff, der beim Abbau von Hämoglobin entsteht
How do you pronounce "Bilirubin"?
The IPA (International Phonetic Alphabet) transcription for "Bilirubin" is [biliʁuˈbiːn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Bilirubin" come from?
"Bilirubin" is a German 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 “Bilirubin”

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

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