Homophones for
carbeen, carbene, carbine

carbeen / carbene / carbine  [ˈkɑrbin]

carbeen – n. – an Australian eucalyptus tree, E. tessellaris, having drooping branches and grey bark

carbene – n. – a neutral divalent free radical, such as methylene: CH2 

carbine – n. – a light automatic or semiautomatic rifle of limited range