A parallelogram is a shape. It is a four-sided plane rectilinear shape with opposite sides parallel.
triangle.
Nonagon
fountain
quadrangle or quadrilateral
Some words that start and end with P are:parsnippeeppimpplopplumppolyppoopprimpproppulp
pentagon!!
Pentagon paralellagram
It depends on the 7 shapes that you start with.
7 Sides on a Twenty Pence Piece
clearly not squares :P
Polygon
polygons perhaps
triangle.
polygon pentagon parallellagram pyramid
Plastics
Maybe only a circle and a oval. :P
rhombus