roo/rooh/ noun (pl roos collectively roo)

• bar none
• barn owl
• barnstorm
• barnyard
• baro-
• barograph
• barometer
• baron
• baronage
• baroness
• baronet
• baronetage
• baronetcy
• baronial
• baron of beef
• barony
• baroque
• baroreceptor
• barouche
• barque
• barquentine
• barrack
• barrack-room lawyer
• barrack square
• barracouta