# SOB

> English word · Noun · IPA /ˌɛs oʊ ˈbi/ · frequency rank #20,503

## Definitions
1. Initialism of son of a bitch.
2. Initialism of shortness of breath.
3. Initialism of souls on board.
4. Initialism of sum of best.
5. Initialism of start of business.
6. Initialism of share of business.
7. Initialism of seal on a bedsheet, used humorously to recall the first sense

## Easily confused with
- **SS** (https://plainspell.com/en/vs/sob-vs-ss)
- **SP** (https://plainspell.com/en/vs/sob-vs-sp)
- **su** (https://plainspell.com/en/vs/sob-vs-su)
- **SW** (https://plainspell.com/en/vs/sob-vs-sw)
- **SV** (https://plainspell.com/en/vs/sob-vs-sv)
- **Sy** (https://plainspell.com/en/vs/sob-vs-sy)
- **son** (https://plainspell.com/en/vs/sob-vs-son)
- **sun** (https://plainspell.com/en/vs/sob-vs-sun)
- **sub** (https://plainspell.com/en/vs/sob-vs-sub)
- **sum** (https://plainspell.com/en/vs/sob-vs-sum)
- **spy** (https://plainspell.com/en/vs/sob-vs-spy)
- **sue** (https://plainspell.com/en/vs/sob-vs-sue)
- **spa** (https://plainspell.com/en/vs/sob-vs-spa)
- **sox** (https://plainspell.com/en/vs/sob-vs-sox)
- **sol** (https://plainspell.com/en/vs/sob-vs-sol)
- **soy** (https://plainspell.com/en/vs/sob-vs-soy)
- **SUV** (https://plainspell.com/en/vs/sob-vs-suv)
- **sup** (https://plainspell.com/en/vs/sob-vs-sup)
- **STD** (https://plainspell.com/en/vs/sob-vs-std)
- **sow** (https://plainspell.com/en/vs/sob-vs-sow)

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