Instability is a related term of swiftness.
As nouns the difference between instability and swiftness
is that instability is (uncountable) the quality of being unstable while swiftness is the state of being swift.
instability
English
Noun
(
wikipedia instability)
(uncountable) The quality of being unstable.
(physics, countable) A state that is not in equilibrium, or in which a small change has a large irreversible effect.
Synonyms
* volatility
Related terms
* instable
* stability
See also
* disequilibrium
swiftness
English
Noun
(-)
the state of being swift
Synonyms
* celerity
* haste
* rapidity