Finding words that are synonymous with "life savings" can be beneficial when writing or speaking about financial matters. The phrase "nest egg" is an excellent synonym for life savings as it refers to the money that someone has saved for retirement or emergencies. Another synonym for life savings is "rainy day fund" which implies money set aside for unforeseen circumstances. "Reserve fund" is also a suitable replacement as it means a sum of money that has been saved for future use. Lastly, "savings pool or kitty" can be used to refer to a collection of money that has been saved over time. These synonyms are useful when talking about the savings that someone has accumulated over time.