 

A Rhombus is a quadrilateral  A Parallelogram is also a quadrilateral 
Opposite angles of Rhombus are of equal measure  Opposite angles of Parallelogram are also of equal measure 
Adjacent Angles of Rhombus are supplementary  Adjacent angles of Parallelogram are also supplementary 
Diagonals of Rhombus bisect each other at point of intersection  Diagonals of Parallelogram also bisect each other at the point of intersection 
Diagonals of Rhombus are of unequal length  Diagonals of Parallelogram are also of unequal length 
Diagonals of Rhombus are perpendicular to each other at point of intersection  Diagonals of Parallelogram are not perpendicular to each other at point of intersection 
All sides of Rhombus are of equal length  Only opposite sides of parallelogram are of equal length  