Found 4 Strong's definitions.

1. 1

   G110: ἀθανασία (athanasía)

   from a compound of Α (as a negative particle) and θάνατος; deathlessness:--immortality.

   100%
2. 2

   G861: ἀφθαρσία (aphtharsía)

   from ἄφθαρτος; incorruptibility; genitive, unending existence; (figuratively) genuineness:--immortality, incorruption, sincerity.

   2%
3. 3

   G2349: θνητός (thnētós)

   from θνήσκω; liable to die:--mortal(-ity).

   2%
4. 4

   G2288: θάνατος (thánatos)

   from θνήσκω; (properly, an adjective used as a noun) death (literally or figuratively):--X deadly, (be…) death.

   2%