# TCP vs TTP

> English confusable word pair

## The two words

### TCP
*adjective · frequency rank #24,928*
Initialism of to complete party (followed by total number in group. Code used in OSI to advise an airline that other passengers are travelling with a person but are booked separately)

### TTP
*noun · frequency rank #46,828*
Initialism of trusted third party.

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