The term 'SWEET HOME' can be solved with the four letter word 'HIVE'. The term 'HIVE' is often used to refer to a place where a large number of people live together, such as a colony of bees or a group of people living in a single building. It can also be used to describe a place that is full of activity and energy, such as a busy office or a bustling city. In this context, the term 'SWEET HOME' could be used to describe a place that is full of love and comfort, a place that one feels at HOME in.