1: ἀκατάλυτος
(Strong's #179 — Adjective — akatalutos — ak-at-al'-oo-tos )

denotes indissoluble (from a, negative, kata, "down," luo, "to loose"), Hebrews 7:16 , "endless;" see the RV , marg., i.e., a life which makes its possessor the holder of His priestly office for evermore.

2: ἀπέραντος
(Strong's #562 — Adjective — aperantos — ap-er'-an-tos )

from a, negative and peraino, "to complete, finish," signifies "interminable, endless;" it is said of genealogies, 1—Timothy 1:4 . In the Sept., Job 36:26 .