If you're looking for synonyms for the term "lay up", there are a plethora of options to choose from. Some possible choices could include "store", "accumulate", "hoard", "stockpile" or "save". Additionally, you could consider alternate phrases like "put away", "stash", "collect", "keep", or "preserve". Each of these terms convey the idea of gathering or setting aside something for later use or safekeeping. Whether you're discussing food, money, or other essential items, having a wide range of vocabulary at your disposal can help you convey your message more effectively.