Armament and Gunpowder

Armament noun - Weaponry used by military or naval force.

Gunpowder and armament are semantically related In some cases you can use "Gunpowder" instead a noun "Armament".

Gunpowder noun - A mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks.

Armament and gunpowder are semantically related in ammunition topic. You can use "Armament" instead a noun "Gunpowder", if it concerns topics such as projectiles for weaponry.