Collocations for jar - noun

screw-top/screw-topped | airtight, sealed, stoppered | sterilized | preserving, storage | earthenware, glass, stone/stoneware | coffee, cookie, jam, marmalade, pickle, sweet

fill
He was filling a jar with coins for his holiday.

seal | preserve sth in, store sth in

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

in/into a/the ~ | ~ of
a jar of marmalade