theology vs liturgics

theology and liturgics both are nouns.

Word	Noun	Adjective	Verb	Adverb
theology	Yes	No	No	No
liturgics	Yes	No	No	No

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

theology: the rational and systematic study of religion and its influences and of the nature of religious truth
liturgics: the study of liturgies

theology (noun)	liturgics (noun)
the learned profession acquired by specialized courses in religion (usually taught at a college or seminary)	the study of liturgies
a particular system or school of religious beliefs and teachings
the rational and systematic study of religion and its influences and of the nature of religious truth