# nitro

> English word · Noun · IPA /ˈnaɪtɹəʊ/ · frequency rank #21,596

## Definitions
1. The univalent NO₂ functional group.
2. Nitroglycerin, especially as medication.
3. A beer that is nitrogenated to give it a more creamy head.
4. Nitromethane.
5. Nitrogen, especially as liquid nitrogen.
6. Nitrous oxide; the system that adds nitrous oxide to a car engine; by extension, a boost mechanic to speed up cars in a video game.

## Easily confused with
- **nitty** (https://plainspell.com/en/vs/nitro-vs-nitty)
- **nitrous** (https://plainspell.com/en/vs/nitro-vs-nitrous)
- **nit** (https://plainspell.com/en/vs/nit-vs-nitro)
- **NATO** (https://plainspell.com/en/vs/nato-vs-nitro)
- **Nico** (https://plainspell.com/en/vs/nico-vs-nitro)
- **Nero** (https://plainspell.com/en/vs/nero-vs-nitro)
- **Niko** (https://plainspell.com/en/vs/niko-vs-nitro)
- **nite** (https://plainspell.com/en/vs/nite-vs-nitro)
- **Niro** (https://plainspell.com/en/vs/niro-vs-nitro)
- **negro** (https://plainspell.com/en/vs/negro-vs-nitro)
- **Nieto** (https://plainspell.com/en/vs/nieto-vs-nitro)
- **nitric** (https://plainspell.com/en/vs/nitric-vs-nitro)
- **nimrod** (https://plainspell.com/en/vs/nimrod-vs-nitro)

## Common misspellings (6)
`nirto`, `nitor`, `nitrro`, `nittro`, `nnitro`, `ntiro`

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