oa

[…]

/[…]/ noun

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

The verdict

“oa” sits in 20 confusable pairs (corpus #31,199) as a noun. The look-alike neighbours are the real trap.

#31,199
frequency rank, German
1,007
“O” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Genitiv Singular des Substantivs uba

Corpus desk

Index DE-oa · oa · German

oa · rank #31,199 · 0 variants · 20 confusables

  • FREQ-MID #31,199
  • LEN-SHORT 2 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,007
  • PHOTO-FINISH Nutzungen

Nearest frequency peer: Nutzungen (-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.

Häufigkeitsnachbarn des Verwechslers „oa“

Peers mit ähnlichem Corpus-Gewicht, getrennt von den Verwechslungspaaren unten

corpus weight

What this shows Balken platzieren „oa“ gegen die nächsten gerankten deutschen Lemmata, kein Reprint der Verwechslungsdesk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

oa vs ob
50% similar
oa vs of
50% similar
oa vs oh
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for oa
PropertyValue
Headwordoa
LanguageGerman
Part of speechNoun
IPA[…]
Letters2
Frequency rank#31,199
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus-Rang neben Verwechslern von „oa“

Diese Skala geht vom Kern des Alltagdeutschen (links) bis zum seltenen Langschwanz (rechts).oaliegt auf dieser Marke:

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

Die Achse ist logarithmisch: jeder Tick markiert etwa zehnfach geringere Häufigkeit. Peers derselben Seltenheitsbandbreite: „Nutzungen“ (#31,198), „Obduktion“ (#31,200), „offerte“ (#31,201). Unter 1,007 „O“-Lemmata liegt „oa“ bei #31,199. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for oa is neighbouring look-alikes ("ob", "of", …), not just typos; it is anoun pronounced […]. Frequency #31,199 among 1,007 “O” headwords. Gloss: "Genitiv Singular des Substantivs uba".

The misspelling generator found no plausible variants for oa, which points to an orthography that plays by predictable German rules. It also participates in 20 confusable-pair relationships, "ob", "of", "oh", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is oa, spelled O-A.

Definition

  1. 1
    Genitiv Singular des Substantivs uba

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 "oa"?
"oa" is spelled O-A. The IPA pronunciation is […].
What does "oa" mean?
As a noun, "oa" means: Genitiv Singular des Substantivs uba
What words are commonly confused with "oa"?
"oa" is commonly confused with "ob", "of", "oh". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "oa"?
The IPA (International Phonetic Alphabet) transcription for "oa" is […]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "oa" come from?
"oa" 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.

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

Source: FrequencyWords open word-frequency list