# infill vs instill

> English confusable word pair

## The two words

### infill
*verb · frequency rank #48,290*
To fill in a space, hole or gap.

### instill
*verb · IPA /ɪnˈstɪl/ · frequency rank #28,958*
To cause a quality to become part of someone's nature.

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