Undifferentiated Consciousness > Absolute Essence, Ain, Dhat, Govinda, Light of the Void, Nondual God, Para Brahman, Supreme Essence, Tao, The Imperishable, The Unity, Undifferentiated Godhead, Unmanifest, Wuji
Islam > Absolute Essence, Al-Insan al-Kamil, Ascension, Dhat, Drug, Fana, Hadith, Ibn al-'Arabi, Infidelity, Infran, Jadhb, Last Days, Laylat al-Qadr, Mahabbah, Muhammad, Peace be upon them, Quran, Rapture, Right Path, Rtavan, Shariah, Sufism, Tahdhīb al-akhlāq, Taubah, Wajd, Yawm ad-Din
Absolute essence is a term used by Blavatsky as well: "...the root of all nature, objective and subjective, and everything else in the universe, visible and invisible, is, was, and ever will be one absolute essence, from which all starts, and into which everything returns. "
- Blavatsky, H. P. The Key to Theosophy: A Clear Exposition Based on the Wisdom Religion of All Ages. Theosophical University Press, 1889.