politics vs government activity

politics and government activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
politics	Yes	No	No	No
government activity	Yes	No	No	No

politics (noun)	government activity (noun)
the profession devoted to governing and to political affairs	the act of governing; exercising authority
the activities and affairs involved in managing a state or a government
the study of government of states and other political units
the opinion you hold with respect to political questions
social relations involving intrigue to gain authority or power