The main difference between Regime and Regimen is that the Regime is a form of government or the set of rules, cultural or social norms, etc. that regulate the operation of a government or institution and its interactions with society and Regimen is a Wikimedia disambiguation page.
In politics, a regime (also known as “régime”, from the original French spelling) is the form of government or the set of rules, cultural or social norms, etc. that regulate the operation of a government or institution and its interactions with society.
A regimen is a plan, a regulated course such as a diet, exercise or medical treatment, designed to give a positive result. A low-salt diet is a regimen. A course of penicillin is a regimen, and there are many chemotherapy regimens in the treatment of cancer.
Mode of rule or management.
“a prison regime”
A form of government, or the government in power.
“a capitalist regime”
A period of rule.
A regulated system; a regimen.
“a fitness regime”
“Heaven will eliminate the tyrannical regimes.”
A set of characteristics.
“A typical annual water level regime would include a gradual summer drawdown beginning in early May.”
Orderly government; system of order; administration.
Any regulation or remedy which is intended to produce beneficial effects by gradual operation.
A syntactical relation between words, as when one depends on another and is regulated by it in respect to case or mood; government.
Diet; limitations on the food that one eats, for health reasons.
a government, especially an authoritarian one
“ideological opponents of the regime”
a system or ordered way of doing things
“detention centres with a very tough physical regime”
“a tax regime”
a coordinated programme for the promotion or restoration of health; a regimen
“a low-calorie, low-fat regime”
the conditions under which a scientific or industrial process occurs.