GC: n

S: Mentalhelp – https://www.mentalhelp.net/articles/medical-disorders/ (last access: 6 May 2016); AnosmFoud – http://www.anosmiafoundation.com/research.shtml (last access: 30 October 2016).

N: 1. 1520s, from the verb disorder (late 15c., from dis- “not” + the verb order (v.). Replaced earlier disordeine (mid-14c.), from Old French desordainer, from Medieval Latin disordinare “throw into disorder,” from Latin ordinare “to order, regulate”).
2. A derangement or abnormality of function; a morbid physical or mental state.
3. Differences between disease, disorder, syndrome and condition:

• A disease is a pathophysiological response to internal or external factors.
• A disorder is a disruption to regular bodily structure and function.
• A syndrome is a collection of signs and symptoms associated with a specific health-related cause.
• A condition is an abnormal state of health that interferes with normal or regular feelings of wellbeing.

4. Collocations:

• Adj.: complete.
• Verb + disorder: throw sth into.

S: 1. OED – http://www.etymonline.com/index.php?allowed_in_frame=0&search=disorder&searchmode=none (last access: 21 October 2014). 2. DORLAND p. 547. 3. Healthwrit –  https://www.healthwriterhub.com/disease-disorder-condition-syndrome-whats-the-difference/ (last access: 21 March 2018). 4. OZDIC – http://www.ozdic.com/collocation-dictionary/disorder (last access: 11 May 2015).

SYN:
S:

CR: ageusia, alcoholism, anomaly, anosmia, anxiety, Asperger syndrome, ataxia, attention deficit disorder, autism, bipolar disorder, Diogenes syndrome, disease, drug addiction, epilepsy, gender dysphoria, impairment, insomnia, Kleine-Levin syndrome, micropsia, mental health, narcissistic personality disorder, nicotine addiction, obesity, obsessive-compulsive disorder, overweight, post-traumatic stress disorder, Raynaud’s phenomenon, Refsum’s disease, somnambulism, syndrome, ubiquitin.