Difference between supernetting and subnetting

SUBNET: subnet is a group of networks having same network id. subnet increase the number of hosts with same network address, as result it reduces the wastage of addresses.

In subnetting bits of hostId will be captured by netWordId.

SUPERNET:

supernet makes all the hosts with in a range of network address belong to a same group. This reduces the entries in the network address table.

Supernetting combines the octets of the address.