"trench" - key terms from Wikipedia

execution trench
filled trench
front trench
german trench
german trench	knives
hellenic trench
inner trench
inner trench	slope
inner trench	wall
mackenzie trench
mariana trench
marianas trench
marianas trench	song
mark i trench
norwegian trench
oceanic trench
opposing trench
opposing trench	lines
outer trench
puerto rico trench
rocky mountain trench
stormy trench
sylvia trench
trench
trench	coat
trench	construction
trench	depth
trench	foot
trench	gun
trench	gun version
trench	knife
trench	knives
trench	line
trench	lines
trench	morphology
trench	raiding
trench	railways
trench	spike
trench	system
trench	warfare
under her trench	coat