9-Letter Words with U,R,B,O,T,S

• a familiar name for a person (often a shortened version of a person's given name)

• an airplane propelled by a fanjet engine

• a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust

• the quality of being unclear or abstruse and hard to understand

• an obscure and unimportant standing; not well known

• the state of being indistinct or indefinite for lack of adequate illumination

• Any of many marine polychaete worms, mostly of the family Serpulidae, which construct permanent calcareous tubes on rocks, ship bottoms etc.

• of or relating to or characteristic of conditions in the subtropics

• a sudden violent spontaneous occurrence (usually of some undesirable condition)