G4880
συναποθνήσκω
to die with
συν-απο-θνήσκω [in LXX: Sir.19:10 * ;] to die with or together: Mrk.14:31, 2Co.7:3 (see Meyer, in l), 2Ti.2:11.† (AS)
The KJV translates G4880 in the following manner:
die (4x), with (2x)
Full Thayer's lexicon entry
συναποθνήσκω — synapothnḗskō
συναποθνῄσκω: 2 aorist συναπεθανον; to die together; with the dative of the person to die with one (Sir 19:10, and often in Greek authors from Herodotus down): Mar 14:31; namely, ὑμᾶς ἐμοί, that ye may die together with me, i. e. that my love to you may not leave me even were I appointed to die, 2Co 7:3; namely, τῷ Χριστο (cf. Winer's Grammar, 143 (136)), to meet death as Christ did for the cause of God, 2Ti 2:11.
3 occurrences
Mark (1), II Corinthians (1), II Timothy (1)