Projectile and Round shot

Projectile noun - A weapon that is forcibly thrown or projected at a targets but is not self-propelled.

Round shot and projectile are semantically related. In some cases you can replace phrase "Round shot" with "Projectile", this terms are similar.

Nearby Word: projection

Round shot noun - A solid projectile that in former times was fired from a cannon.

Projectile and round shot are semantically related. You can use "Projectile" instead a noun phrase "Round shot".