rhomb-, rhombo-, rhombi-

(Greek: that which may be turned or spun around; magician's circle; equilateral parallelogram in which only the opposite angles are equal)

Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar": auto-; emul-; equ-, equi-; homeo-; homo-; iso-; pari-; peer; syn-; tauto-.