Collocations for jar - noun

storage
airtight, sealed
mason (AmE), screw-top (esp. BrE)
sterilized (esp. BrE)
earthenware, glass, stone (esp. BrE), stoneware (esp. AmE)
candy (AmE), coffee (esp. BrE), cookie (AmE), jam (BrE), marmalade (BrE), pickle, sweet (BrE)
tip

fill
She filled the jars with the tomato sauce.

seal
open
preserve sth in, store sth in

be filled with sth, be full of sth, contain sth
a jar full of pickled onions

in a/the jar, into a/the jar
jar of
a jar of mayonnaise