# SB vs SDP

> English confusable word pair

## The two words

### SB
*name · frequency rank #11,290*
Initialism of Special Branch.

### SDP
*name · frequency rank #49,622*
Initialism of Social Democratic Party, a centre-left political party in the United Kingdom.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sb-vs-sdp