The rules that use the vocabulary item "truck" are:

<tank>

truck

<vehicle_echelon>

gaz cargo truck

gaz supply truck

ural cargo truck

ural supply truck

<tank-sing>

truck

<specific_vehicle_type-sing>

civilian truck

swa civilian truck

swa truck

<specific_vehicle_type-creatable-sing>

civilian truck

swa civilian truck

swa truck

<specific_vehicle_type-not_creatable-sing>

civilian truck

swa civilian truck

swa truck

<specific_vehicle_type-not_creatable>

civilian truck

swa civilian truck

swa truck