bulkhead

noun 0.769

collision

noun 0.645

head-on collision

noun 0.609

collision detection

noun 0.574

colliding

noun 0.570

collision theory

noun 0.569

collider

noun 0.569

brick wall

noun 0.556

head crash

noun 0.525

block wall

noun 0.521

fire door

noun 0.521

crashworthiness

noun 0.519

barricade

noun 0.512

pressure hull

noun 0.508

bridge railing

noun 0.507

bumper

noun 0.506

collapse

noun 0.500