# lengthen

> English word · Verb · IPA /ˈlɛŋθən/ · frequency rank #36,640

## Definitions
1. To make longer, to extend the length of.
2. To become longer.

## Etymology
From length + -en.

## Easily confused with
- **lengthy** (https://plainspell.com/en/vs/lengthen-vs-lengthy)
- **length** (https://plainspell.com/en/vs/length-vs-lengthen)

## Common misspellings (13)
`elngthen`, `legnthen`, `lenggthen`, `lenghten`, `lengtehn`, `lengthenn`, `lengthhen`, `lengthne`, `lengtthen`, `lenngthen`, `lentghen`, `llengthen`, `lnegthen`

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