Ypsilon

[ˈʏpsilɔn]

/[ˈʏpsilɔn]/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

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

Unranked
below top-frequency German
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Name des lateinischen Buchstabens Y

Corpus desk

Index DE-ypsilon · Ypsilon · German

Ypsilon · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "Y" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for Ypsilon
PropertyValue
HeadwordYpsilon
LanguageGerman
Part of speechNoun
IPA[ˈʏpsilɔn]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Ypsilon” sits in German frequency

Ypsilon 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

Ypsilon is uncommon German outside the top frequency list, classed as anoun, transcribed [ˈʏpsilɔn]. Rarity is why readers land here mid-draft. 3 senses are on record.

Zero misspellings are on record for Ypsilon in our index, which points to an orthography that plays by predictable German rules. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is Ypsilon, spelled Y-P-S-I-L-O-N.

Definition

  1. 1
    Name des lateinischen Buchstabens Y
  2. 2
    der 20. Buchstabe des griechischen Alphabets
  3. 3
    Schmetterling aus der Familie der Eulenfalter, der einen y-förmigen Fleck auf den Vorderflügeln hat

Recorded use

Wiktionary examples

These source excerpts show how Ypsilon appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. „Baby“ wird hinten mit Ypsilon geschrieben.
  2. Im Neugriechischen wird das Ypsilon wie I ausgesprochen.

Synonyms

yYYpsiloneuleAgrotis ipsilon

This word in other languages

y(English)i griega(Español)i-grec(Français)

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Ypsilon"?
"Ypsilon" is spelled Y-P-S-I-L-O-N. The IPA pronunciation is [ˈʏpsilɔn].
What does "Ypsilon" mean?
As a noun, "Ypsilon" means: Name des lateinischen Buchstabens Y
How do you pronounce "Ypsilon"?
The IPA (International Phonetic Alphabet) transcription for "Ypsilon" is [ˈʏpsilɔn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Ypsilon" come from?
"Ypsilon" 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.

What to do next

You've looked up "Ypsilon". Here's where to go from here.

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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