gospel vs doctrine

gospel and doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
gospel	Yes	No	No	No
doctrine	Yes	No	No	No

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

gospel: a doctrine that is believed to be of great importance
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of gospel include ism, philosophical system, philosophy, school of thought.

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

gospel: the written body of teachings of a religious group that are generally accepted by that group
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of gospel include ism, philosophical system, philosophy, school of thought.

gospel (noun)	doctrine (noun)
a doctrine that is believed to be of great importance	a belief (or system of beliefs) accepted as authoritative by some group or school
the written body of teachings of a religious group that are generally accepted by that group
an unquestionable truth
folk music consisting of a genre of a cappella music originating with Black slaves in the United States and featuring call and response; influential on the development of other genres of popular music (especially soul)