As nouns the difference between invulnerability and durability
is that invulnerability is the state of being invulnerable while durability is permanence by virtue of the power to resist stress or force.
invulnerability
English
Noun
(head)
The state of being invulnerable.
References
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durability
English
Noun
(durabilities)
Permanence by virtue of the power to resist stress or force.