Cases of word usage

1) a sweet mixture of flour, eggs, butter etc baked in an oven (cake)

2) a tub in which cream is shaken or beaten to make butter (churn)

3) the fatty or oily part of milk which rises to the surface and can be made into butter (cream)

4) a kind of soft sweet made with milk, sugar and butter (fudge)

5) the white liquid produced by female mammals as food for their young, especially that of cows which is drunk by human beings and made into butter and cheese (milk)

6) having the smell or taste of stale fat or butter (rancid)