# underlie vs underlined

> English confusable word pair

## The two words

### underlie
*verb · IPA /ˌʌn.dəˈlaɪ/ · frequency rank #42,970*
To lie in a position directly beneath something.

### underlined
*verb · frequency rank #25,629*
simple past and past participle of underline

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/underlie-vs-underlined