Stifle

もみ消す

momikesu

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

噛み殺す

kamikorosu

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

抑える

osaeru

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

抑圧する

yokuatsu suru

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

消す. 静める

kesu

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

窒息させる

chissoku saseru

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

窒息しそう

chissoku shisou

(to feel smothered)

窒息する

chissoku suru

(to die of suffocation)