atu

[aˈtuː]

/[aˈtuː]/ abbrev

The verdict

“atu” is uncommon German (frequency #68,006 among 6,976 “A” headwords), classed as an abbreviation. The kind of spelling people second-guess.

#68,006
frequency rank, German
6,976
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Atmosphärenunterdruck

Corpus desk

Index DE-atu · atu · German

atu · rank #68,006 · 0 variants · 0 confusables

  • FREQ-RARE #68,006
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,976
  • PHOTO-FINISH Attentäters

Nearest frequency peer: Attentäters (-1 rank slots)

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.

Langschwanz-Ränge nahe „atu“

Dünnes Band: Balken invertieren den Rang, seltenere Formen wirken kürzer

corpus weight

What this shows Langschwanz-Sicht: wo „atu“ gegen ähnlich seltene deutsche Ränge sitzt.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for atu
PropertyValue
Headwordatu
LanguageGerman
Part of speechAbbreviation
IPA[aˈtuː]
Letters3
Frequency rank#68,006
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „atu“ im Deutschen

Von links nach rechts: die wenigen Träger des Alltags, dann der lange Schwanz kaum gebrauchter Formen.atufällt in diesen Seltenheitsbereich:

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

Die Achse ist logarithmisch: jeder Tick markiert etwa zehnfach geringere Häufigkeit. Seltene Nachbarn derselben Bandbreite: „Attentäters“ (#68,005), „Aufenthaltsdauer“ (#68,007), „atlantische“ (#68,004). Unter 6,976 „A“-Lemmata liegt „atu“ bei #68,006. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

atu is uncommon German at frequency #68,006 among 6,976 “A” headwords, classed as anabbreviation, transcribed [aˈtuː]. Rarity is why readers land here mid-draft. Gloss: "Atmosphärenunterdruck".

The misspelling generator found no plausible variants for atu, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

Our source data has no etymology on file for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct German form is atu, spelled A-T-U.

Definition

  1. 1
    Atmosphärenunterdruck

Recorded use

Wiktionary example

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

  1. Hier wird Unterdruck in atu angegeben.

Antonyms

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 "atu"?
"atu" is spelled A-T-U. The IPA pronunciation is [aˈtuː].
What does "atu" mean?
As an abbreviation, "atu" means: Atmosphärenunterdruck
How do you pronounce "atu"?
The IPA (International Phonetic Alphabet) transcription for "atu" is [aˈtuː]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "atu" come from?
"atu" 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.

Similar German words by spelling shape

Same letter count and similar misspelling depth for "atu", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 3 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list