Nest egg and Rainy day fund

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

Rainy day fund and nest egg are semantically related in saved money topic. In some cases you can use "Rainy day fund" instead a noun phrase "Nest egg".

Nest egg and rainy day fund are semantically related in supply topic. You can use "Nest egg" instead a noun phrase "Rainy day fund", if it concerns topics such as provision for future.