Strong's G4880 — συναποθνήσκω (verb)
sunapothnesko (soon-ap-oth-nace'-ko) v.
1. to decease together
2. (literally) to die in company with
3. (figuratively) to die similarly to
[from G4862 and G599]
KJV: be dead (die) with 
Root(s): G4862, G599 
Hebrew root: ἀποθνήσκω
Occurrences: 3