Strong's #336: anairesis (pronounced an-ah'-ee-res-is)
from 337; (the act of) killing:--death.
Thayer's Greek Lexicon:
̓́
anairesis
1) a destroying, killing, murder
Part of Speech: noun feminine
Relation: from G337
Usage:
This word is used 2 times:
Acts 8:1: "was consenting unto his death. And at that time"
Acts 22:20: "and consenting unto his death, and kept the raiment"