Nest egg and Reservoir

Nest egg noun - A sum of money set aside for a particular purpose.

Reservoir and nest egg are semantically related in collect topic. In some cases you can use "Reservoir" instead a noun phrase "Nest egg", when it comes to topics like reserve.

Reservoir noun - The number of individuals or amount of something available at any given time.

Nest egg and reservoir are semantically related in collect topic. You can use "Nest egg" instead a noun "Reservoir", if it concerns topics such as accumulation, reserve.