god vs effigy

god and effigy both are nouns.

Word	Noun	Adjective	Verb	Adverb
god	Yes	No	No	No
effigy	Yes	No	No	No

As nouns, effigy is a hypernym of god; that is, effigy is a word with a broader meaning than god:

Other hypernyms of god include image, simulacrum.

god (noun)	effigy (noun)
a material effigy that is worshipped	a representation of a person (especially in the form of sculpture)
any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force
a man of such superior qualities that he seems like a deity to other people