# periodic vs periodical

> English confusable word pair

## The two words

### periodic
*adjective · IPA /ˌpɪɹiˈɒdɪk/ · frequency rank #12,473*
Relative to a period or periods.

### periodical
*noun · IPA /ˌpɪɹiˈɑdɪkl̩/ · frequency rank #24,270*
A publication issued regularly, but less frequently than daily.

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