One word substitute is Furrow. Vale: a valley (used in place names or as a poetic term). Trench: a long, narrow ditch. Furrow: a long, narrow trench made in the ground by a plough, especially for planting seeds or irrigation. Trough: a long, narrow open container for animals to eat or drink out of.
From One Word Substitution · English Language Competence Test
Murder of man:
Creature having both male and female organs
A word no longer in use
A man of lax moral
Large scale departure of people
A person interested in reading books and nothing else
One who eats everything
An office or post with no work but high pay