As nouns the difference between fickleness and overchange
is that fickleness is the quality of being fickle while overchange is excessive or overly frequent change; fickleness.
fickleness
English
Noun
The quality of being fickle.
overchange
English
Noun
(
-)
Excessive or overly frequent change; fickleness.
- (Beaumont and Fletcher)
(
Webster 1913)