# planar vs Planck

> English confusable word pair

## The two words

### planar
*adjective · IPA /ˈpleɪnɚ/ · frequency rank #26,553*
Of or pertaining to a plane.

### Planck
*name · IPA /plɑ(ː)ŋk/ · frequency rank #28,332*
A surname from German.

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