1: φονεύς
(Strong's #5406 — Noun Masculine — phoneus — fon-yooce' )

akin to phoneuo and phonos (see above), is used (a) in a general sense, in the singular, 1—Peter 4:15; in the plural, Revelation 21:8; 22:15; (b) of those guilty of particular acts, Matthew 22:7; Acts 3:14 , lit. "a man (aner), a murderer;" Matthew 7:52; 28:4 .

2: ἀνθρωποκτόνος
(Strong's #443 — Adjective — anthropoktonos — anth-ro-pok-ton'-os )

an adjective, lit., "manslaying," used as a noun, "a manslayer, murderer" (anthropos, "a man," kteino, "to slay"), is used of Satan, John 8:44; of one who hates his brother, and who, being a "murderer," has not eternal life, 1—John 3:15 (twice).

3: πατραλῴας
(Strong's #3964 — Noun Masculine — patroloas — pat-ral-o'-as )

(or patral-) "a murderer of one's father," occurs in 1—Timothy 1:9 .

Acts 21:38ASSASSIN. MOTHER