# length vs lengthen

> English confusable word pair

## The two words

### length
*noun · IPA /lɛŋ(k)θ/ · frequency rank #1,765*
The distance measured along the longest dimension of an object.

### lengthen
*verb · IPA /ˈlɛŋθən/ · frequency rank #36,640*
To make longer, to extend the length of.

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