Is Rain an example of a word that is spelled different but sounds the same?

No, "rain" is not an example of a word that is spelled differently but sounds the same.

Homophones are words that are spelled differently but sound the same. Examples of homophones include:

* to, too, two

* there, their, they're

* here, hear

"Rain" does not have any other words that are spelled differently but sound the same.