Category Nuances for projectile:

• military,
• dangerous,
• native,
• ferromagnetic,
• moving,
• sophisticated,
• airborne,
• real,
• smooth,
• aerodynamic,
• historic,
• flying,
• rolling,
• explosive,
• ballistic,
• larger,
• prehistoric,
• kinetic,
• actual,
• damaging,

Simple Categories for projectile:

• artifact,
• thing,
• structure,
• munition,
• object,
• weapon,
• item,
• missile,
• entity,
• vehicle,
• craft,
• surface,