Simple categories matching occult:

• lesion,
• religion,
• disease,
• science,
• material,
• practice,
• thought,
• power,
• game,
• system,
• topic,
• tradition,
• subject,
• pathology,
• thing,
• malignancy,
• philosophy,
• lore,
• condition,
• belief,
• theme,
• matter,
• knowledge,

Members with property occult:

• geometry,
• tantra,
• pancreatic_cancer,
• magic,
• ulcer,
• ovarian_cancer,
• malignancy,
• numerology,
• witchcraft,
• connective-tissue_disease,
• demon,
• astrology,
• alchemy,
• religion,
• psychology,
• lymphoma,
• tarot,
• qabalah,
• love_charm,
• black_magic,
• gnosticism,
• host,
• lupus,
• cancer,
• kabbalah,
• medieval_alchemy,
• sacred_geometry,
• magical_tradition,
• tuberculosis,
• metaphysics,
• paget_disease,
• carcinoma,
• pneumonia,
• pituitary_tumor,
• natural_magic,
• divination,
• cabala,
• meningioma,