kill vs stifle

To put to death; to extinguish the life of. 

To strike (a ball, etc.) with such force and placement as to make a shot that is impossible to defend against, usually winning a point. 

To cause great pain, discomfort, or distress to; to hurt. 

To punish severely. 

To cause (a ball, etc.) to be out of play, resulting in a stoppage of gameplay. 

To produce intense pain. 

To amaze, exceed, stun, or otherwise incapacitate. 

To exert oneself to an excessive degree. 

To exert an overwhelming effect on. 

To stop, cease, or render void; to terminate. 

To force a company out of business. 

To deadmelt. 

To render inoperative. 

To succeed with an audience, especially in comedy. 

To produce feelings of dissatisfaction or revulsion in. 

To use up or to waste. 

To cause to assume the value zero. 

To disconnect (a user) involuntarily from the network. 

To sexually penetrate in a skillful way. 

To overpower, overwhelm, or defeat. 

To die of suffocation. 

To prevent (a breath, cough, or cry, or the voice, etc.) from being released from the throat. 

To make (something) unable to be heard by blocking it with some medium. 

To prevent (something) from being revealed; to conceal, to hide, to suppress. 

To cause (someone) difficulty in breathing, or a choking or gagging feeling. 

To feel smothered; to find it difficult to breathe. 

To cause (a dog, horse, or other four-legged mammal) to dislocate or sprain its stifle joint. 

To keep in, hold back, or repress (something). 

To make (an animal or person) unconscious or cause (an animal or person) death by preventing breathing; to smother, to suffocate. 

To treat (a silkworm cocoon) with steam as part of the process of silk production.