Mental illness and Psychological maladjustment

Mental illness noun - Any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention.

Psychological maladjustment and mental illness are semantically related. In some cases you can use "Psychological maladjustment" instead a noun phrase "Mental illness".

Mental illness and psychological maladjustment are semantically related. You can use "Mental illness" instead a noun phrase "Psychological maladjustment".