Are 38 S&W vs 38 Special Ammo interchangeable?

The .38 Special and the .38 Smith and Wesson are not interchangeable. .38 Smith and Wesson is larger in diameter than the .38 Special.

38 S&W (The Other .38)

TFB Round Table: Anything Special About 38 Smith & Wesson?The Firearm Blog

Are 38 S&W vs 38 Special Ammo interchangeable?

TFB Round Table: Anything Special About 38 Smith & Wesson?The Firearm Blog

Why is 38 special ammo bigger than 38 ammo? - Quora

357 Magnum vs. .38 Special

Fightin' Iron: The Terrier An Official Journal Of The NRA

CBC 38 s&w c - General Ammunition Discussion - International Ammunition Association Web Forum

38 S&W Ammo at : Cheap 38 S&W Ammunition in Bulk

38 S&W vs. 38 Special - What's the Difference?

Is it dangerous to shoot .38 Special rounds (Not +P) in a .38 S&W

38 S&W (The Other .38)

38 Special vs. .40 S&W: Caliber Comparison