# piped vs ppd

> English confusable word pair

## The two words

### piped
*verb · IPA /paɪpt/ · frequency rank #30,536*
simple past and past participle of pipe

### ppd
*adjective · frequency rank #39,968*
Abbreviation of postpaid (“having the cost of postage already paid”).

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