regime vs government

regime and government both are nouns.

Word	Noun	Adjective	Verb	Adverb
regime	Yes	No	No	No
government	Yes	No	No	No

As nouns, regime and government are synonyms defined as:

regime and government: the organization that is the governing authority of a political unit

Other synonyms of regime include authorities.

regime (noun)	government (noun)
(medicine) a systematic plan for therapy (often including diet)	the act of governing; exercising authority
the organization that is the governing authority of a political unit	(government) the system or form by which a community or other political unit is governed
	the study of government of states and other political units
	the organization that is the governing authority of a political unit