# SIDS

> English word · Noun · frequency rank #49,048

## Definitions
1. Acronym of sudden infant death syndrome.

## Easily confused with
- **SS** (https://plainspell.com/en/vs/sids-vs-ss)
- **six** (https://plainspell.com/en/vs/sids-vs-six)
- **sir** (https://plainspell.com/en/vs/sids-vs-sir)
- **sit** (https://plainspell.com/en/vs/sids-vs-sit)
- **sin** (https://plainspell.com/en/vs/sids-vs-sin)
- **SIM** (https://plainspell.com/en/vs/sids-vs-sim)
- **sip** (https://plainspell.com/en/vs/sids-vs-sip)
- **SMS** (https://plainspell.com/en/vs/sids-vs-sms)
- **sis** (https://plainspell.com/en/vs/sids-vs-sis)
- **STD** (https://plainspell.com/en/vs/sids-vs-std)
- **SOS** (https://plainspell.com/en/vs/sids-vs-sos)
- **sig** (https://plainspell.com/en/vs/sids-vs-sig)
- **SPD** (https://plainspell.com/en/vs/sids-vs-spd)
- **STS** (https://plainspell.com/en/vs/sids-vs-sts)
- **sod** (https://plainspell.com/en/vs/sids-vs-sod)
- **SSD** (https://plainspell.com/en/vs/sids-vs-ssd)
- **Syd** (https://plainspell.com/en/vs/sids-vs-syd)
- **sie** (https://plainspell.com/en/vs/sids-vs-sie)
- **Sus** (https://plainspell.com/en/vs/sids-vs-sus)
- **sil** (https://plainspell.com/en/vs/sids-vs-sil)

## Common misspellings (6)
`isds`, `sdis`, `sidds`, `sidss`, `sisd`, `ssids`

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