imbalance vs maladjustment

imbalance

noun
  • The property of not being in balance. 

maladjustment

noun
  • The inability to adapt oneself to the needs of others, or to the stresses of normal life. 

  • A poor or faulty adjustment, especially of a mechanism. 

How often have the words imbalance and maladjustment occurred in a corpus of books? (source: Google Ngram Viewer )