Theology is a Greek word, "Theo" means "God", and "logy" means "study of". so, Theology is the study of God.

"Theology" is a noun.

Theology.

A Theology speech is simply a speech on Theology, which is the study of God(s) and/or religion.

E. O. Davies has written:

'Theological encyclopaedia' -- subject(s): Doctrinal Theology, Introductions, Methodology, Theology, Theology, Doctrinal

'Prolegomena to systematic theology' -- subject(s): Doctrinal Theology, Theology, Doctrinal