OIS
"ois" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OIS” is uncommon English (frequency #67,701 among 1,431 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #67,701
- frequency rank, English
- 1,431
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of officer-involved shooting.
Corpus desk
Index EN-ois · OIS · English
OIS · rank #67,701 · 0 variants · 0 confusables
- FREQ-RARE #67,701
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH ohana
Nearest frequency peer: ohana (-1 rank slots)
Read with this headword: Spelling guide for this pattern
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.
Long-tail ranks near “OIS”
Sparse band: bars invert rank so rarer forms read shorter
- oceanograph…
oceanographer
32,304 corpus weight
- offscreen
offscreen
32,303 corpus weight
- ohana
ohana
32,301 corpus weight
- OIS
OIS
32,300 corpus weight
- oncogene
oncogene
32,298 corpus weight
- ontologies
ontologies
32,297 corpus weight
What this shows Long-tail view: where “OIS” sits against similarly uncommon English ranks.
| 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) |
Long-tail rank of “OIS” in English
Rare enough to double-check
OIS is uncommon English at frequency #67,701 among 1,431 “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.
Recorded use
Wiktionary examplesThese source excerpts show how OIS appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
But an objective overview of the current literature and research associated with post-OIS officer support compared to various aspects of the research ...
Officer-involved shooting (OIS) investigations are directed at the determination of whether the shooter officer's decision to use deadly force was "objectively reasonable […]"
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?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "OIS", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).