Theo/ The- root word means 'GOD' (भगवान)
Thearchy: rule by a god or gods.
Theocracy: Government directed by priests or clergy representing God
Theocrat: One who favors a theocracy
Theocratic: Relating to a theocracy
Theody: A hymn in praise of God
Theocentric: Assuming God to be the center
Theogamy: Marriage to a god.
Theology: The study of the elements of religion
Theologist: One versed in the study or religion