Stifle

afogar

(to keep in, hold back, or repress (something))

asfixiar

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

asfixiarse

(to die of suffocation)

esganar

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

esganar

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

reprimir

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

reprimir

(to keep in, hold back, or repress (something))

sufocar

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

sufocar

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

sufocar

(to keep in, hold back, or repress (something))