1. ............ is an Eurasian cress which grows in running water and whose pungent leaves are used in salad.

Watercress

Watercrass

Wetcress

Waterkress

2. ............ isn't a synonym of rocket.

Cress

Watercress

Green paper

Horseradish

3. ............ is an edible Mediterranean plant of the cabbage family, whose leaves are eaten in salads.

Rocket

Roket

Becket

Socket

4. ............ is a plant of the cabbage family, typically having small white flowers and pungent leaves. Some kinds are edible and are eaten raw as salad.

Crass

Cress

Criss

Cross