u.

abbrev

The verdict

“u.” is outside the top-ranked German vocabulary, used as an abbreviation - the kind of word writers most often double-check.

Unranked
below top-frequency German
2
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - und

Key facts for u.
PropertyValue
Headwordu.
LanguageGerman
Part of speechAbbreviation
Letters2
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “u.” sits in German frequency

u. 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 u. is 2 letters long, classified as an abbreviation. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

u. doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct German form is u., spelled U-..

Definition

  1. 1
    und
  2. 2
    unpaginiert
  3. 3
    unten, unterer, untere, unteres

Synonyms

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 "u."?
"u." is spelled U-..
What does "u." mean?
As an abbreviation, "u." means: und
What language does "u." come from?
"u." 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 “u.”

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

  • The one correct German spelling is U-. - every other letter order is a misspelling in standard orthography.
  • 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