Hymnody :: Hymnody (n.) Hymns, considered collectively; hymnology..
Hymnographer :: Hymnographer (n.) One who writes on the subject of hymns.
Hymnographer :: Hymnographer (n.) A writer or composed of hymns.
Hymnography :: Hymnography (n.) The art or act of composing hymns.
Hymnologist :: Hymnologist (n.) A composer or compiler of hymns; one versed in hymnology.
Hymnology :: Hymnology (n.) The hymns or sacred lyrics composed by authors of a particular country or period; as, the hymnology of the eighteenth century; also, the collective body of hymns used by any particular church or religious body; as, the Anglican hymnology..
Hymnology :: Hymnology (n.) A knowledge of hymns; a treatise on hymns.