authority vs liturgist

authority and liturgist both are nouns.

Word	Noun	Adjective	Verb	Adverb
authority	Yes	No	No	No
liturgist	Yes	No	No	No

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

authority (noun)	liturgist (noun)
the power or right to give orders or make decisions	an authority on liturgies
official permission or approval
freedom from doubt; belief in yourself and your abilities
an authoritative written work
an administrative unit of government
an expert whose views are taken as definitive
(usually plural) persons who exercise (administrative) control over others