# iOS

> English word · Proper noun · frequency rank #5,888

## Definitions
1. A mobile operating system (OS) created and developed by Apple Inc. exclusively for its hardware.

## Etymology
From i- + OS. Many Apple products have an i- prefix in their names.

## Easily confused with
- **is** (https://plainspell.com/en/vs/ios-vs-is)
- **it** (https://plainspell.com/en/vs/ios-vs-it)
- **IV** (https://plainspell.com/en/vs/ios-vs-iv)
- **IP** (https://plainspell.com/en/vs/ios-vs-ip)
- **IQ** (https://plainspell.com/en/vs/ios-vs-iq)
- **iz** (https://plainspell.com/en/vs/ios-vs-iz)
- **its** (https://plainspell.com/en/vs/ios-vs-its)
- **IRS** (https://plainspell.com/en/vs/ios-vs-irs)
- **IRA** (https://plainspell.com/en/vs/ios-vs-ira)
- **ivy** (https://plainspell.com/en/vs/ios-vs-ivy)
- **iso** (https://plainspell.com/en/vs/ios-vs-iso)
- **ISA** (https://plainspell.com/en/vs/ios-vs-isa)
- **ISS** (https://plainspell.com/en/vs/ios-vs-iss)
- **IRL** (https://plainspell.com/en/vs/ios-vs-irl)
- **IPO** (https://plainspell.com/en/vs/ios-vs-ipo)
- **IPA** (https://plainspell.com/en/vs/ios-vs-ipa)
- **ips** (https://plainspell.com/en/vs/ios-vs-ips)
- **ISP** (https://plainspell.com/en/vs/ios-vs-isp)
- **ire** (https://plainspell.com/en/vs/ios-vs-ire)
- **IPL** (https://plainspell.com/en/vs/ios-vs-ipl)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ios