Focusing on the religious aspect:
* Hieroglyphs: This refers specifically to the Egyptian writing system, which was often used in sacred carvings.
* Religious icons: This term emphasizes the devotional purpose of the carvings.
* Sacred symbols: This highlights the symbolic meaning of the carvings.
* Cult objects: This refers to objects used in religious rituals, which often included carvings.
Focusing on the artistic technique:
* Reliefs: This describes the technique of carving into a surface to create raised images.
* Sculptures: This is a broader term that encompasses any three-dimensional artwork, including carvings.
* Engravings: This refers to the process of cutting lines into a surface to create an image.
Combining both aspects:
* Sacred art: This term encompasses the artistic creations of a religion, including carvings.
* Ancient Egyptian art: This emphasizes the historical context of the carvings.
* Pharaonic art: This focuses on the artistic style of the ancient Egyptian rulers.
The best word to use will depend on the specific context of your writing.