# kerb vs knob

> English confusable word pair

## The two words

### kerb
*noun · IPA /kɝb/ · frequency rank #46,571*
Alternative spelling of curb.

### knob
*noun · IPA /nɒb/ · frequency rank #15,203*
A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle.

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