The term PART OF A RELIGIOUS TITLE can be solved by the word 'DALAI', which is a five-letter word. The Dalai Lama is the spiritual leader of Tibetan Buddhism and is considered to be the reincarnation of the Bodhisattva of Compassion. The title of Dalai Lama is given to the leader of the Gelug school, the newest school of Tibetan Buddhism. The current Dalai Lama is the 14th in the line of succession.