smother (suomeksi)

tukehduttaa (v: to suffocate)
tukahduttaa (v: to extinguish or deaden / to reduce to a low degree of vigor or activity)
tukehtua (v: to be suffocated / to breathe with great difficulty)
kyteä (v: to burn very slowly for want of air)
tukahtua (v: Figuratively: to perish, grow feeble, or decline)