What is the difference between electromagnet and electromagnetism?

An electromagnet is a made coil associated with a ferromagnetic core ... When an electric current flows through the wire the solenoid generates a magnetic field similar to that of a bar magnet. An electromagnet is a solenoid wound around a central iron core.

Electromagnetism is a process through which a material is magnetized (temporarily or permanently) by Electric current ... This is Electromagnetism.