# underlining

> English word · Verb · frequency rank #42,468

## Definitions
1. present participle and gerund of underline

## Etymology
From underline + -ing.

## Easily confused with
- **underlying** (https://plainspell.com/en/vs/underlining-vs-underlying)
- **undermining** (https://plainspell.com/en/vs/underlining-vs-undermining)
- **underpinning** (https://plainspell.com/en/vs/underlining-vs-underpinning)

## Common misspellings (17)
`nuderlining`, `udnerlining`, `undderlining`, `undelrining`, `underilning`, `underliinng`, `underlinign`, `underliningg`, `underlininng`, `underlinnig`, `underlinning`, `underllining`, `underlniing`, `underrlining`, `undrelining`, `unedrlining`, `unnderlining`

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