OOA
noun
OOA is spelled O-O-A: 3 letters. It appears about once in every 32 million words in written English, the 171,907th most frequent word form (wordfreq, 2021 data). As a noun, OOA means “Initialism of object-oriented analysis” (English Wiktionary, September 2026). The plural of OOA is OOAs.
How many letters and syllables are in OOA?
| Letters | 3: O-O-A |
|---|---|
| In writing | about once in every 32 million words; the 171,907th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is OOA?
OOA appears about once in every 32 million words in written English, the 171,907th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forms of OOA
- OOAs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does OOA mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of object-oriented analysis.
Holonym: OOAD
- 2
Initialism of object-oriented application.
- 3
Initialism of Out of Africa (hypothesis).
noun
- 1
Initialism of Out of Africa (hypothesis).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).