1. The act of shaking by sudden contact; the state of being so shaken; a shock; undue pressure; extortion by threats; effect on the brain, &c., of a shock.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• concousion,
• conclushion,
• conclustion,
• conculsion,
• concution,
• conession,
• concoshion,
• conlcusion,
• concusion,
• conuusion,
• concluision,
• conccusion,
• conclussions,
• conclunsion,
• clonclussion,
• concusions,
• conlusion,
• concusiion,
• conscession,
• conclussion

• concessive,
• conclusion,
• confession,
• concessioner,
• confusion,
• concession,
• concision,
• concoction,
• concuss.

The adverb form of the word "concussion" is "concussively".

The adjective form of the word "concussion" is "concussive".

The plural of the "concussion" can be the "concussions".

The singular of the "concussion" can be the "concussion".