# alter vs Astor

> English confusable word pair

## The two words

### alter
*verb · IPA /ˈɒl.tə/ · frequency rank #6,540*
To change the form or structure of.

### Astor
*name · frequency rank #31,069*
A surname.

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