As nouns the difference between durability and survivability
is that durability is permanence by virtue of the power to resist stress or force while survivability is the condition of being survivable.
durability
English
Noun
(durabilities)
Permanence by virtue of the power to resist stress or force.
survivability
English
Noun
(uncountable) The condition of being survivable
(countable) A measure of the extent to which something is survivable