Gastromancy
It’s an ancient form of ventriloquism whereby the voice is lowered to a sepulchral tone and prophetic utterance that delivered in a trance state.

Geloscopy
It’s a divination form by the study of the tone of people’s laughter.

Genethlialogy
It’s a divination form by the influence of the stars at birth.

Geomancy
It’s a divination form using the earth as medium and by the study of figures on the ground and the influence of Earth’s current. The methods included the study of points on the earth, or the study of patterns made by a handful of earth falling on the ground, the interpretation of the swelling, noises and movement of the earth or movement of the cracks made in drying mud.

Graphology
It’s a divination form by the analysis of character through handwriting.

Gyromancy
It’s a divination form where people walk in circle marked with letter in ritual until they become dizzy and stumble at different points, those would spell out prophecy.