Crack-up and Personality disorder

Crack-up noun - A mental or nervous collapse.

Personality disorder and crack-up are semantically related in disorder topic. In some cases you can use "Personality disorder" instead a noun phrase "Crack-up".

Personality disorder noun - Inflexible and maladaptive patterns of behavior.

Crack-up and personality disorder are semantically related in disorder topic. Sometimes you can use "Crack-up" instead a noun phrase "Personality disorder".