Cases of word usage

1) a precious stone which is purple or violet (amethyst)

2) (pl unchanged) a vegetable with many white or purple heads of flowers like small cauliflowers (broccoli)

3) a green or purple berry growing in clusters on vines, as used for making wine (grape)

4) (of) the (smell, colour of) a kind of plant with tall stems having small pale purple flowers (lavender)

5) (a small tree with) sweet smelling pale purple or white blossom (lilac)

6) pale purple (colour) (mauve)

7) a tree with broad, dark-green leaves on which silkworms feed; its fruit (dark purple or white) (mulberry)

8) a wild plant with prickly leaves and yellow, white or purple flowers (thistle)

9) a kind of serious disease with fever and purple sports on the body (typhus)