Good-for-nothing and Scum

Good-for-nothing noun - An idle worthless person.

Scum and good-for-nothing are semantically related In some cases you can use "Scum" instead a noun phrase "Good-for-nothing".

Scum noun - People looked down upon as ignorant and of the lowest class.

Good-for-nothing and scum are semantically related in despicable people topic. Sometimes you can use "Good-for-nothing" instead a noun "Scum".