# capitonym

> English word · Noun

## Definitions
1. A case-sensitive word: a word that changes meaning (and in some instances pronunciation) when the letter case used to write it is changed: whether (usually) the casing of its initial letter or (in other instances) the casing of its other letters as well.

## Etymology
From capital + -onym.

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