G1587–ἐκλείπω–ekleipō

I tell you, make for yourselves friends by means of unrighteous mammon, so that when you fail, they may receive you into the eternal tents.

ἐκλίπῃ eklipē “it may fail”

but I prayed for you, that your faith wouldn't fail. You, when once you have turned again, establish your brothers."

ἐκλίπῃ eklipē “may fail”

The sun was darkened, and the veil of the temple was torn in two.

ἐκλιπόντος. eklipontos “darkened.”

As a mantle you will roll them up, And they will be changed; But you are the same. Your years will not fail."

ἐκλείψουσιν. ekleipsousin “will never end.”