Melatonin

[melatoˈniːn]

/[melatoˈniːn]/ noun

The verdict

“Melatonin” is uncommon German (frequency #84,296 among 44,424 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#84,296
frequency rank, German
44,424
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Hormon, das in den Pinealozyten der Epiphyse aus Serotonin (verstärkt bei Dunkelheit) gebildet wird, das bei Säugetieren den Stoffwechsel senkt und die Funktion der Schilddrüse dämpft und bei Amphi...

Key facts for Melatonin
PropertyValue
HeadwordMelatonin
LanguageGerman
Part of speechNoun
IPA[melatoˈniːn]
Letters9
Frequency rank#84,296
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Melatonin” sits in German frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Melatonin lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Melatonin is uncommon German at frequency #84,296 among 44,424 “M” headwords, classed as anoun, transcribed [melatoˈniːn]. Rarity is why readers land here mid-draft. Gloss: "Hormon, das in den Pinealozyten der Epiphyse aus Serotonin (verstärkt bei Dunkelheit) gebildet wird, das bei Säugetieren den Stoffwechsel senkt und die Funktion der Schilddrüse dämpft und bei Amphi...".

No misspelling variants are generated for Melatonin in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

This headword's origin isn't recorded in our source data, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is Melatonin, spelled M-E-L-A-T-O-N-I-N.

Definition

  1. 1
    Hormon, das in den Pinealozyten der Epiphyse aus Serotonin (verstärkt bei Dunkelheit) gebildet wird, das bei Säugetieren den Stoffwechsel senkt und die Funktion der Schilddrüse dämpft und bei Amphibien die Aufhellung der Haut verursacht

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Melatonin"?
"Melatonin" is spelled M-E-L-A-T-O-N-I-N. The IPA pronunciation is [melatoˈniːn].
What does "Melatonin" mean?
As a noun, "Melatonin" means: Hormon, das in den Pinealozyten der Epiphyse aus Serotonin (verstärkt bei Dunkelheit) gebildet wird, das bei Säugetieren den Stoffwechsel senkt und die Funktion der Schilddrüse dämpft und bei Amphi...
How do you pronounce "Melatonin"?
The IPA (International Phonetic Alphabet) transcription for "Melatonin" is [melatoˈniːn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Melatonin" come from?
"Melatonin" 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 “Melatonin”

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

  • The one correct German spelling is M-E-L-A-T-O-N-I-N - every other letter order is a misspelling in standard orthography.
  • Say it as [melatoˈniːn] (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

Other uncommon German words near this rank

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