reverent = feeling or showing reverence; worshipful

• Solon has/shows/feels great reverence for his professors.
• The Bishop’s sermon was received in reverent silence.
• He touched his music book reverently before he started the recital.

reverend = deserving to be treated with respect (because of age, character, etc.)
The Rev. (usually shortened in writing) used as a title of a clergyman

• The Rev. Father Babu Chelappadan
• The Very Rev. Scaria (Dean)
• The Right Rev. Andrews Thazhath (Bishop)
• The Most Rev. Dr. Mar Aprem Metropolitan (Arch Bishop)

Rev. Mother = Mother Superior of a convent