| destructiveness(fighting, pugnacity, pugnaciousness) |
| difficulty(noun, burden, weight, gravity, heaviness) |
| discipline(noun, burden, weight, gravity, heaviness) |
| disorder(fighting, pugnacity, pugnaciousness) |
| distress(noun, burden, weight, gravity, heaviness) |
| disturbance(fighting, pugnacity, pugnaciousness) |
| drag(noun, burden, weight, gravity, heaviness) |
| driving(noun, advance, attack, offensive) |
| duress(noun, burden, weight, gravity, heaviness) |
| effort(noun, advance, attack, offensive) |
| elasticity |
| encumbrance(noun, burden, weight, gravity, heaviness) |
| energy |
| exerting(noun, advance, attack, offensive) |
| exertion(noun, advance, attack, offensive) |
| exigency(noun, burden, weight, gravity, heaviness) |
| extreme force(noun, expression, fighting, pugnacity, pugnaciousness) |
| ferocity(fighting, pugnacity, pugnaciousness) |
| fervor(fighting, pugnacity, pugnaciousness) |
| fierceness(fighting, pugnacity, pugnaciousness) |