theism vs pandeism

theism and pandeism both are nouns.

Word	Noun	Adjective	Verb	Adverb
theism	Yes	No	No	No
pandeism	Yes	No	No	No

As nouns, pandeism is a hyponym of theism; that is, pandeism is a word with a more specific, narrower meaning than theism:

theism: the doctrine or belief in the existence of a God or gods
pandeism: the belief that God created the universe and its phenomena by becoming the universe, thereafter the sole manifestation of God

Other hyponyms of theism include monotheism, polytheism, pantheism, panentheism, pantheism.

theism (noun)	pandeism (noun)
the doctrine or belief in the existence of a God or gods	the belief that God created the universe and its phenomena by becoming the universe, thereafter the sole manifestation of God