The best replacement for disorder is disease.

The best alternatives to disorder are rated as following:
★★★★★  disease
★★★  schizophrenia
★★  syndrome
★★  bipolar
★★  illness
★★  disability
★★  depression
★★  bipolar disorder
★  adhd
★  oppositional defiant disorder
★  autism
★  delay
★  borderline personality disorder
★  childhood disintegrative disorder
★  randomness
★  conduct disorder
★  impairment
★  ptsd
★  mental illness
  malingering
  dark sight
  epilepsy
  dysfunction
  emotional disturbance
  ocd
  pdd
  difference
  language difference
  odd
  cyclothymia
  condition
  psychopathy
  obsessive compulsive personality disorder
  ied
  dysthymic disorder

Your alternative for disorder is not listed? Suggest!
Speaking about disorder, one probably shouldn't forget about agoraphobia.

Other search terms related to disorder and their ratings are:
★★★★★ agoraphobia
★★★ hyperactivity
★★ multiple personalities
★★ mania
★ agoraphobia symptoms
★ depression
★ agoraphobia dsm
only one x chromosome
anger
psychosis
autism
panic attacks
You have in mind a companion for disorder and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of disorder in all years. Click on graph for more.
disorder
disease
schizophrenia