# SMA

> English word · Noun · frequency rank #30,589

## Definitions
1. Initialism of sergeant major of the army.
2. Initialism of supplementary motor area.
3. Initialism of superior mesenteric artery.
4. Initialism of spinal muscular atrophy.
5. Initialism of standard metropolitan area.

## Easily confused with
- **so** (https://plainspell.com/en/vs/sma-vs-so)
- **SS** (https://plainspell.com/en/vs/sma-vs-ss)
- **SP** (https://plainspell.com/en/vs/sma-vs-sp)
- **su** (https://plainspell.com/en/vs/sma-vs-su)
- **SW** (https://plainspell.com/en/vs/sma-vs-sw)
- **SV** (https://plainspell.com/en/vs/sma-vs-sv)
- **Sy** (https://plainspell.com/en/vs/sma-vs-sy)
- **son** (https://plainspell.com/en/vs/sma-vs-son)
- **sun** (https://plainspell.com/en/vs/sma-vs-sun)
- **sub** (https://plainspell.com/en/vs/sma-vs-sub)
- **sum** (https://plainspell.com/en/vs/sma-vs-sum)
- **spy** (https://plainspell.com/en/vs/sma-vs-spy)
- **sue** (https://plainspell.com/en/vs/sma-vs-sue)
- **spa** (https://plainspell.com/en/vs/sma-vs-spa)
- **sox** (https://plainspell.com/en/vs/sma-vs-sox)
- **sol** (https://plainspell.com/en/vs/sma-vs-sol)
- **SMS** (https://plainspell.com/en/vs/sma-vs-sms)
- **soy** (https://plainspell.com/en/vs/sma-vs-soy)
- **SNP** (https://plainspell.com/en/vs/sma-vs-snp)
- **SUV** (https://plainspell.com/en/vs/sma-vs-suv)

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