# SSI

> English word · Noun · frequency rank #30,241

## Definitions
1. Initialism of Server Side Include.
2. Initialism of Supplemental Security Income.
3. Initialism of Small Scale Integration.
4. Initialism of shoulder sleeve insignia.
5. Initialism of standard settlement instruction.
6. Initialism of surgical site infection.

## Easily confused with
- **su** (https://plainspell.com/en/vs/ssi-vs-su)
- **SW** (https://plainspell.com/en/vs/ssi-vs-sw)
- **SV** (https://plainspell.com/en/vs/ssi-vs-sv)
- **Sy** (https://plainspell.com/en/vs/ssi-vs-sy)
- **sun** (https://plainspell.com/en/vs/ssi-vs-sun)
- **sub** (https://plainspell.com/en/vs/ssi-vs-sub)
- **sum** (https://plainspell.com/en/vs/ssi-vs-sum)
- **sue** (https://plainspell.com/en/vs/ssi-vs-sue)
- **SUV** (https://plainspell.com/en/vs/ssi-vs-suv)
- **sup** (https://plainspell.com/en/vs/ssi-vs-sup)
- **STD** (https://plainspell.com/en/vs/ssi-vs-std)
- **STA** (https://plainspell.com/en/vs/ssi-vs-sta)
- **STR** (https://plainspell.com/en/vs/ssi-vs-str)
- **STS** (https://plainspell.com/en/vs/ssi-vs-sts)
- **Stu** (https://plainspell.com/en/vs/ssi-vs-stu)
- **Syd** (https://plainspell.com/en/vs/ssi-vs-syd)
- **STI** (https://plainspell.com/en/vs/ssi-vs-sti)
- **Sus** (https://plainspell.com/en/vs/ssi-vs-sus)
- **Sui** (https://plainspell.com/en/vs/ssi-vs-sui)
- **syn** (https://plainspell.com/en/vs/ssi-vs-syn)

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