# sill vs simi

> English confusable word pair

## The two words

### sill
*noun · IPA /sɪl/ · frequency rank #29,086*
A breast wall; window breast; horizontal brink which forms the base of a window.

### simi
*pronoun · IPA [si˦mi˦˨] · frequency rank #37,223*
What?; what is this […] ?; what […] are you talking about?

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