stock - verb [T]
1 If a shop or factory stocks something, it keeps a supply of it:
Most supermarkets stock a wide range of wines.
2 to fill something such as a cupboard or shelves with food or goods:
He has a Saturday job stocking shelves in the local supermarket.
I always stock up the fridge before my sister comes to stay.
store (KEEP) -- verb [T usually + adverb or preposition]
to put or keep things in a special place for use in the future:
The data is stored on a hard disk and backed up on a floppy disk.
I stored my possessions in my mother's house while I was living in Spain.
I've stored my thick sweaters and jackets (away) until next winter.
Squirrels store (up) nuts for the winter.