creatio ex nihilo vs doctrine

creatio ex nihilo and doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
creatio ex nihilo	Yes	No	No	No
doctrine	Yes	No	No	No

As nouns, doctrine is a hypernym of creatio ex nihilo; that is, doctrine is a word with a broader meaning than creatio ex nihilo:

creatio ex nihilo: (Judeo-Christian theology), the belief that God created this world out of nothing.
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of creatio ex nihilo include ism, philosophical system, philosophy, school of thought.

creatio ex nihilo (noun)	doctrine (noun)
(Judeo-Christian theology), the belief that God created this world out of nothing.	a belief (or system of beliefs) accepted as authoritative by some group or school