P3E1N1T1A1H4E1D2R1O1N1
17 points
PENTAHEDRON is validvalid
a polyhedron with five sides [n PENTAHEDRA, PENTAHEDRONS]
a five-sided solid figure [n PENTAHEDRA or PENTAHEDRONS]
a polyhedron with five sides [n PENTAHEDRA, PENTAHEDRONS]
a five-sided solid figure [n PENTAHEDRA or PENTAHEDRONS]