Nouns

(n)imbalance, instability, unbalancea lack of balance or state of disequilibrium“a hormonal imbalance”
(n)derangement, mental unsoundness, unbalancea state of mental disturbance and disorientation

Verbs

(v)unbalancethrow out of balance or equilibrium“The tax relief unbalanced the budget”, “The prima donna unbalances the smooth work in our department”
(v)unbalance, derangederange mentally, throw out of mental balance; make insane“The death of his parents unbalanced him”