Religious teaching (6)
(Other definitions for gospel that I've seen before include "Evangel" , "God's honest truth" , "church music" , "The teaching of Christ" , "Type of music" .)
(Other definitions for dogma that I've seen before include "Inflexible doctrine" , "Set of principles laid down as incontrovertibly true" , "Belief, precept" , "Code of beliefs accepted as authoritative" , "Doctrine laid down with authority" .)