# eje vs em

> Spanish confusable word pair

## The two words

### eje
*noun · IPA [ˈexe] · frequency rank #4,077*
Pieza cilíndrica que atraviesa un cuerpo giratorio.

### em
*preposition · IPA [ĩ] · frequency rank #7,152*
En.

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