Strong's #337: anaireo (pronounced an-ahee-reh'-o)
 from 303 and (the active of) 138; to take up, i.e. adopt; by implication, to take away (violently), i.e. abolish, murder:--put to death, kill, slay, take away, take up.
Thayer's Greek Lexicon:
 ̓́ 
 
  anaireō 
 
 1) to take up, to lift up (from the ground)
 
 1a) to take up for myself as mine
 1b) to own (an exposed infant)
 
 2) to take away, abolish
 
 2a) to do away with or abrogate customs or ordinances
 2b) to put out of the way, kill slay a man
 
  Part of Speech: verb
Relation: from G303 and (the active of) G138
 
Usage:
This word is used 23 times:
Matthew 2:16: "was exceeding wroth, and sent forth, and  slew all the children"
Luke 22:2: "scribes sought how  they might kill him; for they feared the"
Luke 23:32: "led with him  to be put to death."
Acts 2:23: "wicked hands have crucified  and slain:"
Acts 5:33: "that, they were cut to the heart, and took counsel  to slay them."
Acts 5:36: "four hundred, joined themselves: who  was slain; and all, as many as obeyed"
Acts 7:21: "was cast out, Pharaoh's daughter  took him up, and nourished him"
Acts 7:28: "Wilt thou  kill me, as thou didst"
Acts 7:28: "thou kill me,  as thou didst the Egyptian"
Acts 9:23: "the Jews took counsel  to kill him:"
Acts 9:24: "and night to  kill him."
Acts 9:29: "Grecians: but they went about  to slay him."
Acts 10:39: "in Jerusalem; whom  they slew and hanged on a tree:"
Acts 12:2: "And  he killed James the brother of John with the sword."
Acts 13:28: "in him, yet desired they Pilate that he  should be slain."
Acts 16:27: "open, he drew out his sword, and would  have killed himself, supposing that the"
Acts 22:20: "kept the raiment  of them that slew him."
Acts 23:15: "he come near, are ready  to kill him."
Acts 23:21: "eat nor drink till  they have killed him: and"
Acts 23:27: "Jews, and should  have been killed of them: then came I with"
Acts 25:3: "laying wait in the way  to kill him."
Acts 26:10: "chief priests; and when they  were put to death, I gave my voice against"
Hebrews 10:9: "thy will, O God.  He taketh away the first, that he may establish"