rival - competitor, contender⏎
valid - genuine, legally or officially acceptable⏎
territory - area, zone, ground, pitch⏎
vacancy - job, job opening, job opportunity⏎
sensitive - aware, understanding, discriminating, react quickly, (information) not to be shared⏎
variable - changeable, non-uniform⏎
spec - specification, detailed description⏎
white elephant - bane, useless (big, expensive) thing⏎
sponsor - supporter, backer, patron⏎
sort - arrange, classification, put in order, a type (of something)⏎