G2729–κατισχύω–katischuō

I also tell you that you are Peter, and on this rock I will build my assembly, and the gates of Hades will not prevail against it.

κατισχύσουσιν katischusousin “will prevail against”

Therefore be watchful all the time, asking that you may be counted worthy to escape all these things that will happen, and to stand before the Son of Man."

κατισχύσητε katischusēte “you may have strength”

But they were urgent with loud voices, asking that he might be crucified. Their voices and the voices of the chief priests prevailed.

κατίσχυον katischuon “were prevailing”