- Aid (as a noun) means “help” or “assistance.” As a verb it means “to help” or “to assist.”
- An aide is an assistant.
Even though the words aid and aide have similar meanings, are written similarly, and are pronounced the same, they cannot be used interchangeably.
What Does Aid Mean?
Aid can be a verb, a noun, or an adjective. It is synonymous with the words “help” or “assist” when used as a verb, and again “help” and “assistance” when used as a noun:
What Does Aide Mean?
Aide is always used as a noun. It means assistant. Some dictionaries note that aid, used as a noun, can have the same meaning, but for the most part publications tend to use aide for assisant and aid for assistance:
from Grammarly Blog https://www.grammarly.com/blog/aid-aide/