OIS
"ois" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OIS” is uncommon English (frequency #67,701 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #67,701
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of officer-involved shooting.
| Property | Value |
|---|---|
| Headword | OIS |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #67,701 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “OIS” sits in English frequency
Rare enough to double-check
OIS is uncommon English at frequency #67,701 among 15,494 “O” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
OIS has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is OIS, spelled O-I-S.
Definition
- 1Initialism of officer-involved shooting.
- 2Initialism of optical image stabilization.
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "OIS"?
What does "OIS" mean?
What language does "OIS" come from?
Is PlainSpell free to use?
Using “OIS”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-I-S - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.