usf.

abbrev

The verdict

“usf.” 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
4
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - und so fort, nach dem gleichen Prinzip weiterentwickelt

Key facts for usf.
PropertyValue
Headwordusf.
LanguageGerman
Part of speechAbbreviation
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “usf.” sits in German frequency

usf. 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 usf. is 4 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. The dominant gloss from Wiktionary reads: "und so fort, nach dem gleichen Prinzip weiterentwickelt".

Our edit-distance generator produced no likely misspellings for usf., which points to an orthography that plays by predictable German rules. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct German form is usf., spelled U-S-F-..

Definition

  1. 1
    und so fort, nach dem gleichen Prinzip weiterentwickelt

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 "usf."?
"usf." is spelled U-S-F-..
What does "usf." mean?
As an abbreviation, "usf." means: und so fort, nach dem gleichen Prinzip weiterentwickelt
What language does "usf." come from?
"usf." 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 “usf.”

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

  • The one correct German spelling is U-S-F-. - 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