Which text mentions a god named 'Rudra', which is a name used for Shiva in later Puranic traditions?

Bhagavad Purana Rigveda Yajurveda Samaveda

Rigveda

The earliest religious text, the Rigveda (compiled c. 1500-1000 BCE) mentions a god named Rudra, which is a name used for Shiva in later Puranic traditions.