When we talk about 'stashes', it usually means secret places for hiding things. There are many synonyms for stashes that can be used depending on the context. Some of them include hoard, cache, reserve, stockpile, repertoire, hiding place, safe house, and sanctum. Hoard refers to large quantities of something that is accumulated and saved. Cache refers to a place where something is hidden for later use. Reserve refers to a certain quantity of something that is kept aside for future use. Stockpile means to have a large amount of something. Repertoire refers to the entire collection of something. Hiding place refers to a secret place where something can be concealed. Safe house and sanctum refer to a secure place for hiding or protection.